Alfie Pet by Petoga Couture - Pat Recovery Collar (for Dogs and Cats) Best fits neck girth 7" to 9" with the overall depth of 5.25". Ideal for injuries, rashes and post surgery. Works great for both cats and dogs. Light in weight, soft and comfortable but may not cover all body part of the pet. Owner should monitor in the beginning as pet may chew the collar. Unique button closure enables the owner to tighten or loosen, as necessary. Pets can eat, sleep, and drink normally.