UNIQUE DESIGN - The basket design provides full coverage of the dog's mouth, preventing dogs from barking, biting and chewing dirty food. But this muzzle is designed to allow dogs to hack, eat and drink while the muzzle is on High quality non-toxic rubber material, durable and strong material, flexible body material, non-toxic and harmless , makes your dog soft and comfortable Maximum protection: other anti-bite, anti-pedestrian bark, anti-bark and excessive dog bite Size of your dog: please refer to our size chart and our description. We advise you to measure the size before buying Comfortable adjustable muzzle: adjustable straps and removable front guards allow comfort and better access. Product description XS: Mouth length: 5 cm, mouth circumference: 20 cm, head circumference: 30-40cm S: Mouth length: 7 cm, mouth circumference: 23 cm, head circumference: 34-48cm M: Mouth length: 8 cm, mouth circumference: 26 cm, head circumference: 39-51cm L: Mouth length: 9 cm, mouth circumference: 28cm, head circumference: 45-59cm XL: mouth length: 10 cm, mouth circumference: 33cm, head circumference: 47-61cm