The Dizzy Dog Collar Co - Butterfly Ballet *Small: 25cm-34cm (9.5”-13.5”) S/M: 29cm-43cm (10.5”-17”) Med: 35cm-51cm (13”-20”) Large: 43cm-67cm (16.5”-26.5”) Details: •Hardwearing Poly-Nylon Blend Strap •Strong Dog Collar, triple and box stitched for strength•Four Point Lockable Buckle< •Highly Adjustable •Welded D-ring for leash attachment.