Cycle Dog Bottle Opener Dog Collars are made in USA. Waterproof, no stink upcycled backing is Sustainable & Eco-friendly. Latch-lock metal buckle is 4 times stronger than plastic buckles. ID Spot separate tab loop. 1000 times less bacterial growth than standard nylon collars means no odor, even after hours of wet play. Guaranteed Fun, Safe, Tough. MAX Reflective collars offer full width reflectivity. 

Small - 6-12″ (15cm-30cm) - Fits dogs up to 30lbs (13.5kg) - utilizes a plastic clip, not a bottle opener fastener

Medium - 12-21" - Fits Dogs 30-70lbs

Large - 17-27" - Fits Dogs 65-110lbs