Comfortable: The Inflatable collars are soft and it does not block your pet’s vision, they can eat, drink, sleep and play normally | Scratch and bite resistant: The inflatable collar can well-protect your pets from injuries, rashes and post-surgery wounds. It will prevent pets from biting and licking their injured area or surgical site and promote recovering from surgery or wounds | Easy to store: The inflatable recovery design allow you to deflate it so you can store it in a small space when you do not use it | Adjustable: The collar has an inner ring that can be adjusted to a proper size for your pet by using strap. | Durable and stable: The premium protective collar is soft and washable, it will not mark or scrape furniture and you can insert your pet's everyday collar through the inner ring loops for a stabilization.Measurement differences may exist.recommended size is just a suggestion,as every dog is different.