The dog muzzle mask is designed for avoiding biting, barking, licking. Your dog is probably very comfortable around your home and familiar environments, but when a dog is placed under stressful situations, whatever they may be, his or her temperament may change. The dog muzzle combines strength and comfort, with its durable mesh construction allowing your dog to , limiting any unnecessary stress. Features - Color: Red. - Material: Mesh. - Size S: About 7-10cm (Front Mouth); 13-18cm (Back Mouth); 4cm (Full Mouth Length). - Size : About 10-12cm (Front Mouth); 18-22cm (Back Mouth); 4.5cm (Full Mouth Length). - Size L: About 12-16cm (Front Mouth); 22-27cm (Back Mouth); 5cm (Full Mouth Length). - Size XL: About 16-19cm (Front Mouth); 27-34cm (Back Mouth); 7.5cm (Full Mouth Length). - Size 2XL: About 19-24cm (Front Mouth); 34-39cm (Back Mouth); 9cm (Full Mouth Length). - Made of mesh material, it is breathable, will feel comfort after wearing this. - It is adjustable, so do not worry that it will make dog feel too tight. - This one can help dog to avoid barking, licking bad food. - Designed for dog wearing, thus it will not slip. - With the , it is washable and durable. Package list: 2 mouth cover