c17 This is the product page for size L. 【Soft Cotton Material】 The inside is made of high-quality cotton material, which is softer and lighter than products made of plastic. This Elizabethan collar is made with care, and does not put a burden on pets. 【Adjustable Neck Size】 The inflatable ring type is easy to put on and take off, and the neck size can be easily adjusted with the elastic rope. It's soft and light, so it's okay to eat, play, and sleep with it as a pillow. 【Multi-function】 This product is an Elizabethan collar that provides protection against licking and biting in cases of pet skin diseases, neutering, spaying, itching, redness, and during the recovery process after surgery. 【Washable Whole!】 It can be washed whole in the washing machine, so you can always keep it clean and it will not deform after washing.