Alfie Pet by Petoga Couture - Zumi Recovery Collar with Soft Edge (for Dogs & Cats) Best fits neck girth 8" to 11" with the overall depth of 6.25" Ideal for injuries, rashes and post surgery. Work great for both cats and dogs Well constructed and made of sturdy material so most pets won't be able to bend it over Unique button closure enables the owner to tighten or loosen, as necessary Pets rest more easily as the soft fabric edge lets them lay their head comfortably in any position