Features: Snap hook O-ring Click-lock buckle Swivel Quick release buckle 2 O-rings Smart lock D-ring Toggle
Size of collars: 22 inch 16 inch 20 inch 24 inch 29 inch 21 inch 26 inch 31 inch 18 inch 28 inch 33 inch 30 inch 32 inch 19 inch 23 inch 25 inch