The practical dog muzzle is designed for avoiding biting, barking, licking. Your dog is probably comfortable around your home and familiar environments, but when a dog is placed under strange situations, whatever they may be, his or her temperament may change. 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) -Made of safe and wear-resistant polyester material, the dog muzzle is safe and durable for long time use. -Anti-bite and anti-barking design, it will prevent dogs from barking and eating indiscriminately. -Adjustable design, this breathable dog muzzle can be adjusted freely according to dog's size. -Good details, though this dog mask is simple , it's so practical when you use this dog mask. -This dog muzzle with the strap and buckle, thus easy and convenient to wear and can be adjusted. Package list: 4 Muzzle