Available in three sizes S: neck size 13-16cm, depth 8.7cm, M: neck size 16-19cm, depth 9cm, L: Neck size 22-26 cm. Depth: 13 cm. Suitable for cats and small and medium dogs, please measure your pet's neck circumference first. COMFORTABLE MATERIAL: Our collars are made of high quality cotton flannel and PVC, which are soft and comfortable for your dog or cat to wear without fussing. Featuring a unique Velcro closure, this dog collar is easy to put on and adjusts to your pet's neck size. It is deep enough to prevent the pet from letting go completely. The soft edges of the fabric make it breathable and comfortable. Its sufficient depth helps overcome licking, itching and promotes recovery after surgery or injury. Wide range of application: does not affect the daily diet and vision range. Helps overcome licking, scratching and end the cycle of aggravating injuries. Plastic protective collars can be used for bathing, nail trimming and other grooming occasions to protect the human body from bites, ideal for pet injury recovery and more.