Trixie Plastic dog muzzle size 4 (M) black Material: plastic front, nylon strap. The strap is adjustable. The muzzle protects against bites and is durable and light The size of the muzzle depends on the breed of the dog and the circumference of the muzzle. Black colour Size chart: Manufacturer's symbol Size Muzzle circumference Sample breed 17601 - size 1 XS 14 cm Yorkshire Terrier 17602 - size 2 S 17 cm Jack Russell Terrier 17603 - size 3 M 20 cm Poodle 17604 - size 4 M 22 cm Border Collie 17605 - size 5 ML 26 cm Dalmatian 17606 - size 6 L 31 cm Labrador Retriever 17607 - size 7 L-XL 36 cm Bernese Mountain Dog EAN: 4011905176048 Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.