The Total Pet Health Elizabethan Collars prevent pets from licking and irritating wounds. • Flexible plastic collars help pets heal from injuries faster by preventing them from licking wounded areas • For dogs and cats Material: Polypropylene plastic Sizing Information: • X-Small fits necks 5½"–9½" • Small fits necks 6½"–12" • Medium fits necks 8½"–14½" • Large fits necks 11½"–18½" • X-Large fits necks 18"–23½" Care: Wash with damp cloth Instructions: Plastic snaps and coordinating holes comfortably secure E-Collars in place. Loop gauze or string (not included) through oval holes near the neckline to secure E-Collar to pet's collar.