Alfie Pet by Petoga Couture - Candace Soft Recovery Collar (for Dogs and Cats) Size XS best fits neck girth 7.5" to 8.5" with the overall depth of 4.5" Unique closure enables the owner to tighten or loosen as necessary. Ideal for injuries, rashes and post surgery Pets rest more easily as the pliable fabric lets them lay their head comfortably in any position The flexible collar won't knock things over or make noise when bumped against furniture and doorways