Product Material: PVC + short plush clothSize: S size: head circumference 19-29cm, M size: head circumference 25-35cm, L size: head circumference 38-48cm, XL size: head circumference 50-63cmQuantity: 1pcsPackage Contents: 1 * Dog Collar1. 【Scratch and Bite Resistant】: The inflatable collar is designed to protect your pets from injuries, rashes and postoperative wounds, it will prevent pets from biting and licking the injured area or surgical site and promote recovery after surgery or injuries.2. 【Comfortable】: The inflatable design and soft outer material will make your dog wear it comfortably and it does not block your pet's vision, they can eat, drink, sleep and play normally.3. 【Adjustable Strap】: There is a strap on the opening of the collar, you can adjust the perfect size for your pet.4. 【Easy to Store】: The inflatable design allows you to deflate it so you can store it in a small place when not in use. If you need to deflate the collar, just remove the hose cover and pinch the bottom of the hose, then press the collar.5. 【Durable and Stable】: The premium protective collar is soft and washable, it will not mark or scratch furniture, and you can insert your pet's everyday collar through the loops on the inner ring for stabilization. Measurement differences may exist. The recommended size is just a suggestion, as every dog ​​is different.