Sizing chart
Please touch "+" to see the measurements for each size
0 - Very small breeds:like Yorkshire Terrier, Miniature Pinscher, Ratter
| LengthInches (cm) |
| 2 2/5 inches (6 cm) |
| CircumferenceInches (cm) |
| 6 2/5 inches (16 cm) |
| Eye LineInches (cm) |
| no need |
| Neck CircumferenceInches (cm) |
| 10 - 13 1/5 inches (25 - 33 cm) |
| WidthInches (cm) |
| 1 4/5 inches (4.5 cm) |
| HeightInches (cm)) |
| 2 2/5 inches (6 cm) |
1 - Miniature Schnauzer etc.
| LengthInches (cm) |
| 2 1/5 inches (5.5 cm) |
| CircumferenceInches (cm) |
| 7 1/5 inches (18 cm) |
| Eye LineInches (cm) |
| no need |
| Neck CircumferenceInches (cm) |
| 10 - 14 inches (25 - 35 cm) |
| WidthInches (cm) |
| 2 1/5 inches (5.5 cm) |
| HeightInches (cm)) |
| 2 2/5 inches (6 cm) |
2
| LengthInches (cm) |
| 2 4/5 inches (7 cm) |
| CircumferenceInches (cm) |
| 8 inches (20 cm) |
| Eye LineInches (cm) |
| 2 2/5 - 6 4/5 inches (6 - 17 cm) |
| Neck CircumferenceInches (cm) |
| 10 4/5 - 16 inches (27 - 40 cm) |
| WidthInches (cm) |
| 2 3/5 inches (6.5 cm) |
| HeightInches (cm)) |
| 2 4/5 inches (7 cm) |
3
| LengthInches (cm) |
| 2 3/5 inches (6.5 cm) |
| CircumferenceInches (cm) |
| 8 2/5 inch (21 cm) |
| Eye LineInches (cm) |
| 3 3/5 - 7 1/5 inches (9 - 18 cm) |
| Neck CircumferenceInches (cm) |
| 10 4/5 - 17 1/5 inches (27 - 43 cm) |
| WidthInches (cm) |
| 2 4/5 inches (7 cm) |
| HeightInches (cm)) |
| 2 4/5 inches (7 cm) |
3A
| LengthInches (cm) |
| 4 inches (10 cm) |
| CircumferenceInches (cm) |
| 10 inches (25 cm) |
| Eye LineInches (cm) |
| 2 - 8 2/5 inches (5 - 21 cm) |
| Neck CircumferenceInches (cm) |
| 10 2/5 - 19 3/5 inches (26 - 49 cm) |
| WidthInches (cm) |
| 2 4/5 inches (7 cm) |
| HeightInches (cm)) |
| 3 2/5 inches (8.5 cm) |
4 - Middle size breeds: like Poodle,
| LengthInches (cm) |
| 3 3/5 inches (9 cm) |
| CircumferenceInches (cm) |
| 9 3/5 inches (24 cm) |
| Eye LineInches (cm) |
| 2 4/5 - 7 3/5 inches (7 - 19 cm) |
| Neck CircumferenceInches (cm) |
| 14 4/5 - 18 4/5 inches (37 - 47 cm) |
| WidthInches (cm) |
| 2 4/5 inches (7 cm) |
| HeightInches (cm)) |
| 3 1/5 inches (8 cm) |
4L - Middle size breeds: like Poodle with longer snout
| LengthInches (cm) |
| 4 1/5 inches (10.5 cm) |
| CircumferenceInches (cm) |
| 10 inches (25 cm) |
| Eye LineInches (cm) |
| 1 3/5 - 6 4/5 inches (4 - 17 cm) |
| Neck CircumferenceInches (cm) |
| 10 4/5 - 20 inches (27 - 50 cm) |
| WidthInches (cm) |
| 3 inches (7.5 cm) |
| HeightInches (cm)) |
| 3 1/5 inches (8 cm) |
5 - Spaniel, Schnauzer, Foxterrier, Pinscher, Weimaraner etc.
| LengthInches (cm) |
| 4 2/5 inches (11 cm) |
| CircumferenceInches (cm) |
| 10 2/5 inches (26 cm) |
| Eye LineInches (cm) |
| 2 4/5 - 7 3/5 inches (7 - 19 cm) |
| Neck CircumferenceInches (cm) |
| 15 3/5 - 19 3/5 inches (39 - 49 cm) |
| WidthInches (cm) |
| 3 inches (7.5 cm) |
| HeightInches (cm)) |
| 3 3/5 inches (9 cm) |
6 - Bigger dogs:like German Shepherd
| LengthInches (cm) |
| 4 inches (10 cm) |
| CircumferenceInches (cm) |
| 11 1/5 inches (28 cm) |
| Eye LineInches (cm) |
| 2 3/5 - 8 4/5 inches (6.5 - 22 cm) |
| Neck CircumferenceInches (cm) |
| 16 - 24 2/5 inches (40 - 61 cm) |
| WidthInches (cm) |
| 3 1/5 inches (8 cm) |
| HeightInches (cm)) |
| 3 4/5 inches (9.5 cm) |
6L - Bigger dogs:like German Shepherd,with longer snout
| LengthInches (cm) |
| 4 4/5 inches (12 cm) |
| CircumferenceInches (cm) |
| 12 inches (30 cm) |
| Eye LineInches (cm) |
| 1 3/5 - 8 inches (4 - 20 cm) |
| Neck CircumferenceInches (cm) |
| 12 4/5 - 26 2/5 inches (32 - 66 cm) |
| WidthInches (cm) |
| 3 1/5 inches (8 cm) |
| HeightInches (cm)) |
| 4 inches (10 cm) |
7 - Pointer, Pitbull, Amstaff, Dalmatian, Setter, Labrador, Golden Retriever
| LengthInches (cm) |
| 4 2/5 inches (11 cm) |
| CircumferenceInches (cm) |
| 12 4/5 inches (32 cm) |
| Eye LineInches (cm) |
| 4 - 10 inches (10 - 25 cm) |
| Neck CircumferenceInches (cm) |
| 14 - 25 3/5 inches (35 - 64 cm) |
| WidthInches (cm) |
| 3 4/5 inches (9.5 cm) |
| HeightInches (cm)) |
| 4 inches (10 cm) |
8 - Poodle (big), Siberian Husky
| LengthInches (cm) |
| 4 3/5 inches (11.5 cm) |
| CircumferenceInches (cm) |
| 14 inches (35 cm) |
| Eye LineInches (cm) |
| 6 - 10 4/5 inches (15 - 27 cm) |
| Neck CircumferenceInches (cm) |
| 20 - 28 inches (50 - 70 cm) |
| WidthInches (cm) |
| 4 inches (10 cm) |
| HeightInches (cm)) |
| 4 2/5 inches (11 cm) |
9 - Alaskan Malamute etc.
| LengthInches (cm) |
| 4 4/5 inches (12.5 cm) |
| CircumferenceInches (cm) |
| 13 3/5 inches (34 cm) |
| Eye LineInches (cm) |
| 7 1/5 - 10 4/5 inches (18 - 27 cm) |
| Neck CircumferenceInches (cm) |
| 20 - 28 inches (50 - 70 cm) |
| WidthInches (cm) |
| 3 3/5 inches (9 cm) |
| HeightInches (cm)) |
| 4 2/5 inches (11 cm) |
10 - Caucasian ovcharka
| LengthInches (cm) |
| 4 4/5 inches (12 cm) |
| CircumferenceInches (cm) |
| 15 3/5 inches (39 cm) |
| Eye LineInches (cm) |
| 5 3/5 - 13 3/5 inches (14 - 34 cm) |
| Neck CircumferenceInches (cm) |
| 20 4/5 - 30 inches (52 - 75 cm) |
| WidthInches (cm) |
| 4 inches (10 cm) |
| HeightInches (cm)) |
| 5 3/5 inches (14 cm) |
11 - Large Caucasian ovcharka, Leonberger, Great Dane
| LengthInches (cm) |
| 6.1 inches (15.5 cm) |
| CircumferenceInches (cm) |
| 15 3/4 inches (40 cm) |
| Eye LineInches (cm) |
| 2.4 - 14.2 inches (6 - 36 cm) |
| Neck CircumferenceInches (cm) |
| 18 - 31 inches (46 - 78 cm) |
| WidthInches (cm) |
| 4 inches (10 cm) |
| HeightInches (cm)) |
| 5 3/5 inches (14 cm) |
12 - Dogs with extra broad snout:Saint Bernard
| LengthInches (cm) |
| 5 1/5 inches (13 cm) |
| CircumferenceInches (cm) |
| 19 inches (47.5 cm) |
| Eye LineInches (cm) |
| 7 1/5 - 12 inches (18 - 30 cm) |
| Neck CircumferenceInches (cm) |
| 24 4/5 - 34 2/5 inches (62 - 86 cm) |
| WidthInches (cm) |
| 5 4/5 inches (14.5 cm) |
| HeightInches (cm)) |
| 6 1/5 inches (15.5 cm) |
13 - Dogs with extra big snout:Great Dane
| LengthInches (cm) |
| 5 1/5 inches (13 cm) |
| CircumferenceInches (cm) |
| 18 inches (45 cm) |
| Eye LineInches (cm) |
| 7 1/5 - 15 1/5 inches (18-38 cm) |
| Neck CircumferenceInches (cm) |
| 24 4/5 - 34 2/5 inches (62-86 cm) |
| WidthInches (cm) |
| 4 2/5 inches (11 cm) |
| HeightInches (cm)) |
| 6 3/5 inches (16.5 cm) |
J1 - Small dogs with longer snout:
| LengthInches (cm) |
| 3 2/5 inches (8.5 cm) |
| CircumferenceInches (cm) |
| 8 inches (20 cm) |
| Eye LineInches (cm) |
| 3 1/5 - 7 1/5 inches (8 - 18 cm) |
| Neck CircumferenceInches (cm) |
| 6 3/5 - 12 4/5 inches (24 - 32 cm) |
| WidthInches (cm) |
| 2 inches (5 cm) |
| HeightInches (cm)) |
| 2 3/5 inches (6.5 cm) |
J2 - Dachshund and other small dogs
| LengthInches (cm) |
| 3 3/5 inches (9 cm) |
| CircumferenceInches (cm) |
| 8 4/5 inches (22 cm) |
| Eye LineInches (cm) |
| 3 1/5 - 7 1/5 inches (8 - 18 cm) |
| Neck CircumferenceInches (cm) |
| 10 - 12 4/5 inches (25 - 32 cm) |
| WidthInches (cm) |
| 2 2/5 inches (6 cm) |
| HeightInches (cm)) |
| 3 inches (7.5 cm) |
D1 - Dogs with longer snout
| LengthInches (cm) |
| 4 4/5 inches (12 cm) |
| CircumferenceInches (cm) |
| 10 4/5 inches (27 cm) |
| Eye LineInches (cm) |
| 6 4/5 - 8 4/5 inches (17 - 22 cm) |
| Neck CircumferenceInches (cm) |
| 18 - 22 inches (45 - 55 cm) |
| WidthInches (cm) |
| 3 1/5 inches (8 cm) |
| HeightInches (cm)) |
| 3 3/5 inches (9 cm) |
D2 - Doberman Pinscher, Collie
| LengthInches (cm) |
| 5 2/5 inches (13.5 cm) |
| CircumferenceInches (cm) |
| 11 1/5 inches (28 cm) |
| Eye LineInches (cm) |
| 4 2/5 - 8 2/5 inches (11 - 21 cm) |
| Neck CircumferenceInches (cm) |
| 14 - 21 1/5 inches (35 - 53 cm) |
| WidthInches (cm) |
| 3 3/5 inches (9 cm) |
| HeightInches (cm)) |
| 3 3/5 inches (9 cm) |
D3 - Setter, Pointer and other dogs
| LengthInches (cm) |
| 5 2/5 inches (13.5 cm) |
| CircumferenceInches (cm) |
| 12 inches (30 cm) |
| Eye LineInches (cm) |
| 6 4/5 - 10 inches (17 - 25 cm) |
| Neck CircumferenceInches (cm) |
| 18 4/5 - 22 4/5 inches (47 - 57 cm) |
| WidthInches (cm) |
| 3 4/5 inches (9.5 cm) |
| HeightInches (cm)) |
| 3 4/5 inches (9.5 cm) |
B0 - French Bulldog, Pug
| LengthInches (cm) |
| 2 3/5 inches (6.5 cm) |
| CircumferenceInches (cm) |
| 10 3/5 inches (26.5 cm) |
| Eye LineInches (cm) |
| 2 4/5 - 7 3/5 inches (7 -1 9 cm) |
| Neck CircumferenceInches (cm) |
| 11 1/5 - 20 inches (28 - 50 cm) |
| WidthInches (cm) |
| 3 1/5 inches (8 cm) |
| HeightInches (cm)) |
| 3 3/5 inches (9 cm) |
B0.5 - Boston terrier, French Bulldog bitch
| LengthInches (cm) |
| 2 1/5 inches (5.5 cm) |
| CircumferenceInches (cm) |
| 10 inches (25 cm) |
| Eye LineInches (cm) |
| 2 2/5 - 5 3/5 inches (6 - 14 cm) |
| Neck CircumferenceInches (cm) |
| 10 4/5 - 18 2/5 inches (27 - 46 cm) |
| WidthInches (cm) |
| 3 1/5 inches (8 cm) |
| HeightInches (cm)) |
| 3 1/5 inches (8 cm) |
B1 - Dog with short snout:Boxer and other dogs with short snout
| LengthInches (cm) |
| 2 3/5 inches (6.5 cm) |
| CircumferenceInches (cm) |
| 11 1/5 inches (28 cm) |
| Eye LineInches (cm) |
| 2 2/5 - 7 3/5 inches (6 - 19 cm) |
| Neck CircumferenceInches (cm) |
| 13 1/5 - 22 inches (33 - 55 cm) |
| WidthInches (cm) |
| 3 3/5 inches (9 cm) |
| HeightInches (cm)) |
| 3 3/5 inches (9 cm) |
B2
| LengthInches (cm) |
| 2 2/5 in(6 cm) |
| CircumferenceInches (cm) |
| 12 4/5 inches (32 cm) |
| Eye LineInches (cm) |
| 3 - 10 inches (7.5 - 25 cm) |
| Neck CircumferenceInches (cm) |
| 15 1/5 - 24 2/5 inches (38 - 61 cm) |
| WidthInches (cm) |
| 4 inches (10 cm) |
| HeightInches (cm)) |
| 4 inches (10 cm) |
B3
| LengthInches (cm) |
| 3 1/5 inches (8 cm) |
| CircumferenceInches (cm) |
| 14 inches (35 cm) |
| Eye LineInches (cm) |
| 6 4/5 - 8 4/5 inches (17 - 22 cm) |
| Neck CircumferenceInches (cm) |
| 17 1/5 - 26 inches (43 - 65 cm) |
| WidthInches (cm) |
| 4 3/5 inches (11.5 cm) |
| HeightInches (cm)) |
| 4 3/5 inches (11.5 cm) |
B3.5 - Bigger male English Bulldog, Dogue De Bordeaux
| LengthInches (cm) |
| 2 4/5 inches (7 cm) |
| CircumferenceInches (cm) |
| 16 2/5 inches (41 cm) |
| Eye LineInches (cm) |
| 2 2/5 - 11 1/5 inches (6 - 28 cm) |
| Neck CircumferenceInches (cm) |
| 16 - 29 1/5 inches (40 - 73 cm) |
| WidthInches (cm) |
| 4 4/5 inches (12.5 cm) |
| HeightInches (cm)) |
| 4 4/5 inches (12.5 cm) |
B4 - Big American bulldog, bullmastiff, Dogue De Bordeaux
| LengthInches (cm) |
| 3 3/5 inches (9 cm) |
| CircumferenceInches (cm) |
| 18 inches (45 cm) |
| Eye LineInches (cm) |
| 6 - 11 3/5 inches (15 - 29 cm) |
| Neck CircumferenceInches (cm) |
| 25 1/5 - 34 4/5 inches (63 - 87 cm) |
| WidthInches (cm) |
| 5 2/5 inches (13.5 cm) |
| HeightInches (cm)) |
| 5 4/5 inches (14.5 cm) |
R0 - Pitbull, amstaf and similar
| LengthInches (cm) |
| 3 2/5 inches (8.5 cm) |
| CircumferenceInches (cm) |
| 13 inches (32.5 cm) |
| Eye LineInches (cm) |
| 1 3/5 - 10 2/5 inches (4 - 26 cm) |
| Neck CircumferenceInches (cm) |
| 13 3/5 - 26 2/5 inches (34 - 66 cm) |
| WidthInches (cm) |
| 3 2/5 inches (8.5 cm) |
| HeightInches (cm)) |
| 4 3/5 inches (11.5 cm) |
R1 - Dogs with broad snout:Rottweiler, Golden Retriever
| LengthInches (cm) |
| 3 4/5 inches (9.5 cm) |
| CircumferenceInches (cm) |
| 14 inches (35 cm) |
| Eye LineInches (cm) |
| 2 4/5 - 7 3/5 inches (7 - 19 cm) |
| Neck CircumferenceInches (cm) |
| 15 1/5 - 24 inches (38 - 60 cm) |
| WidthInches (cm) |
| 3 4/5 inches (9.5 cm) |
| HeightInches (cm)) |
| 4 4/5 inches (12.5 cm) |
R1L - Dogs with broad snout:Rottweiler, Golden Retriever, with longer snout
| LengthInches (cm) |
| 4 3/5 inches (11.5 cm) |
| CircumferenceInches (cm) |
| 15 1/5 inches (38 cm) |
| Eye LineInches (cm) |
| 1 3/5 - 6 4/5 inches (4 - 17 cm) |
| Neck CircumferenceInches (cm) |
| 12 - 25 1/5 inches (30 - 63 cm) |
| WidthInches (cm) |
| 3 4/5 inches (9.5 cm) |
| HeightInches (cm)) |
| 5 2/5 inches (13.5 cm) |
R2 - Labrador, Big Pitbull, Amstaff, Rottweiler
| LengthInches (cm) |
| 4 inches (10 cm) |
| CircumferenceInches (cm) |
| 14 2/5 inches (36 cm) |
| Eye LineInches (cm) |
| 3 - 10 4/5 inches (7.5 - 27 cm) |
| Neck CircumferenceInches (cm) |
| 17 1/5 - 26 inches (43 - 65 cm) |
| WidthInches (cm) |
| 4 inches (10 cm) |
| HeightInches (cm)) |
| 4 4/5 inches (12.5 cm) |
R2L - Big Labrador, Berner Sennenhund, Anatolian Shepherd
| LengthInches (cm) |
| 4 2/5 inches (11 cm) |
| CircumferenceInches (cm) |
| 15 1/5 inches (38 cm) |
| Eye LineInches (cm) |
| 1 3/5 - 10 2/5 inches (4 - 26 cm) |
| Neck CircumferenceInches (cm) |
| 14 - 26 4/5 inches (35 - 67 cm) |
| WidthInches (cm) |
| 4 inches (10 cm) |
| HeightInches (cm)) |
| 5 1/5 inches (13 cm) |
R3 - Bigger Rottweiler, Big Labrador
| LengthInches (cm) |
| 4 inches (10 cm) |
| CircumferenceInches (cm) |
| 15 1/5 inches (38 cm) |
| Eye LineInches (cm) |
| 3 - 10 4/5 inches (7.5 - 27 cm) |
| Neck CircumferenceInches (cm) |
| 21 3/5 - 30 2/5 inches (54 - 76 cm) |
| WidthInches (cm) |
| 4 2/5 inches (11 cm) |
| HeightInches (cm)) |
| 5 2/5 inches (13.5 cm) |
R3.5
| LengthInches (cm) |
| 4 1/5 inches (10.5 cm) |
| CircumferenceInches (cm) |
| 17 inches (42.5 cm) |
| Eye LineInches (cm) |
|
| Neck CircumferenceInches (cm) |
| 20 2/5 inches (50.85 cm) |
| WidthInches (cm) |
| 4 4/5 inches (12 cm) |
| HeightInches (cm)) |
| 5 2/5 inches (13.5 cm) |
R3L - Bigger Rottweiler, Big Labrador, Berner Sennenhund
| LengthInches (cm) |
| 4 4/5 inches (12.5 cm) |
| CircumferenceInches (cm) |
| 15 4/5 inches (39.5 cm) |
| Eye LineInches (cm) |
| 1 3/5 - 10 2/5 inches (4 - 26 cm) |
| Neck CircumferenceInches (cm) |
| 18 2/5 - 31 1/5 inches (46 - 78 cm) |
| WidthInches (cm) |
| 4 2/5 inches (11 cm) |
| HeightInches (cm)) |
| 5 1/5 inches (13 cm) |
R4 - Big American bulldog, bullmastiff
| LengthInches (cm) |
| 4 inches (10 cm) |
| CircumferenceInches (cm) |
| 18 4/5 inches (47 cm) |
| Eye LineInches (cm) |
| 3 1/5 - 12 inches (8 - 30 cm) |
| Neck CircumferenceInches (cm) |
| 24 4/5 - 33 1/5 inches (62 - 83 cm) |
| WidthInches (cm) |
| 5 2/5 inches (13.5 cm) |
| HeightInches (cm)) |
| 6 1/5 inches (15.5 cm) |
OB1 - Malinois, GSD Bitch, Doberman
| LengthInches (cm) |
| 5 1/5 inches (13 cm) |
| CircumferenceInches (cm) |
| 12 2/5 inches (31 cm) |
| Eye LineInches (cm) |
| 3 1/5 - 10 4/5 inches (8 - 27 cm) |
| Neck CircumferenceInches (cm) |
| 13 1/5 - 22 inches (33 - 55 cm) |
| WidthInches (cm) |
| 3 2/5 inches (8.5 cm) |
| HeightInches (cm)) |
| 4 inches (10 cm) |
OB2 - Big Malinois, Middle GSD
| LengthInches (cm) |
| 5 3/5 inches (14 cm) |
| CircumferenceInches (cm) |
| 14 inches (35 cm) |
| Eye LineInches (cm) |
| 3 1/5 - 10 4/5 inches (8 - 27 cm) |
| Neck CircumferenceInches (cm) |
| 15 1/5 - 24 inches (38 - 60 cm) |
| WidthInches (cm) |
| 3 3/5 inches (9 cm) |
| HeightInches (cm)) |
| 4 4/5 inches (12 cm) |
OB3
| LengthInches (cm) |
| 5 4/5 inches (14.5 cm) |
| CircumferenceInches (cm) |
| 14 4/5 inches (37 cm) |
| Eye LineInches (cm) |
| 3 1/5 - 11 3/5 inches (8 - 29 cm) |
| Neck CircumferenceInches (cm) |
| 21 3/5 - 30 2/5 inches (54 - 76 cm) |
| WidthInches (cm) |
| 4 inches (10 cm) |
| HeightInches (cm)) |
| 4 4/5 inches (12.5 cm) |
OB4
| LengthInches (cm) |
| 6 inches (15 cm) |
| CircumferenceInches (cm) |
| 16 2/5 inches (41 cm) |
| Eye LineInches (cm) |
| 5 3/5 - 13 3/5 inches (14 - 34 cm) |
| Neck CircumferenceInches (cm) |
| 24 4/5 - 33 1/5 inches (62 - 83 cm) |
| WidthInches (cm) |
| 4 3/5 inches (11.5 cm) |
| HeightInches (cm)) |
| 5 2/5 inches (13.5 cm) |
BT - Bullterier male
| LengthInches (cm) |
| 5 3/5 inches (14 cm) |
| CircumferenceInches (cm) |
| 14 2/5 inches (36 cm) |
| Eye LineInches (cm) |
| 1 3/5 - 10 2/5 inches (4 - 26 cm) |
| Neck CircumferenceInches (cm) |
| 16 - 28 4/5 inches (40 - 72 cm) |
| WidthInches (cm) |
| 4 2/5 inches (11 cm) |
| HeightInches (cm)) |
| 4 4/5 inches (12.5 cm) |
Keep your dog safe and comfortable! This strong wire dog muzzle of large size will perfectly prevent dog biting and chewing. South African Boerboel mastiff breed is originally bred to prey on lions. It is an extremely strong dog of huge power and size. In daily life of a Boerboel breeder it may often occur a situation when he is required to have his dog muzzled. Of course it is a necessary means in public and at veterinarian. As a responsible and caring dog owner, you probably wish to choose the best dog muzzle for your pet.
We propose a strong and comfortable dog basket muzzle for South African Boerboel protection. Wire dog muzzle is made of smooth, rustproof metal basket. It provides perfect ventilation and a dog breathes free. The shape of dog basket muzzle allows dog pant, lick nose and even drink water muzzled.
Our designers care of comfort of your dog. A wire basket dog muzzle is padded with felt in the uppe area to prevent rubbing of dog skin where it touches dog snout the closest.
This wire dog muzzle is a perfect choice if you are just starting to use a dog muzzle. It is securely fixed on dog's head with reliable leather straps. Your dog will not be able to take it off. Train your dog to wear a muzzle step by step and you will have no problems with it.