This pet dog muzzle is well-made of polyester material, which is comfortable to wear and breathable for your pet. It can not only effectively protect your dog from barking or biting things casually, but also protect your children when they are staying and playing with dogs. Features - Color: Black -Material:Polyester -Size:14.00X10.00X0.40cm/5.50X3.93X0.16in (Size S); Front Snout Circumference: 3.9-5.5in (10-14cm); Snout Length: 1.6in (4cm) -Size:19.00X13.50X0.40cm/7.47X5.31X0.16in (Size ); Front Snout Circumference: 5.3-7.5in (13.5-19cm); Snout Length: 1.77in (4.5cm) -Size:22.00X15.00X0.40cm/8.65X5.89X0.16in (Size L); Front Snout Circumference: 5.9-8.7in (15-22cm); Snout Length: 2.1in (5.5cm) -Size:27.00X18.00X0.40cm/10.61X7.07X0.16in (Size XL); Front Snout Circumference: 7-10.6in (18-27cm); Snout Length: 2.4in (6cm) -Size:29.50X20.00X0.40cm/11.59X7.86X0.16in (Size XXL); Front Snout Circumference: 7.9-11.6in (20-29.5cm); Snout Length: 3in (7.5cm) -Manufactured with safe polyester material, this dog muzzle is durable and practical to use. -The excellent workmanship of our breathable dog muzzle will bring you a . -This dog muzzle is adjustable, so do not worry that the dog muzzle will make the dog feel too tight. -A must-have for your loved dog to help stop biting, barking, and chewing, especially at the outdoor. -The muzzle is easy to clean, wash it with clean water and let it dry. This muzzle will also a good gift for your friends who has a dog. Package list: 2 Muzzle