If your dog is anxious or gets car sick, the calming wrap will soothe your dog. The calming eye mask for dogs can make it easier to prepare your dog, such as bathing, trimming claws, cleaning ears, and cutting hair. The dog's resistance to emotions can be alleviated and it is easier to cooperate when performing minor surgery or a physical examination without anesthesia. The material is mainly nylon, which is lightweight, durable, and waterproof. Size S: mouth circumference 4.72"-7.09", neck circumference 7.09"-12.6".