<p>The inflatable collar protects your pets from injuries, rashes, and postoperative wounds, prevent pets from biting and licking in their injured area or the surgical site and promote recovery from surgery or wounds. Inflatable PVC inner and soft outside skin-friendly plush material design will let your dog wear it comfortably and does not block your pet's vision. Your dog will not feel oppressed or nervous when wearing this collar, they can eat, drink, sleep and play normally. is a velcro strap on the opening of the collar, which can allow you to adjust the the tightness of the collar around your dog¡¯s neck to the perfect fit. vision or ability to eat and drink. Measurement differences may exist. Recommended size is just a suggestion NOT a guarantee in fit as every dog is different. If you have any questions, please feel free to contact us. We offer a LIFETIME INSURRANCE.</p>