Recommended for everyday use and identification, Rogz Utility Classic Collars are durable with strong webbing in a variety of colours with highly reflective stitching for night-time visibility. The safe and trusted RogLoc buckle on the larger sizes can be locked to prevent it from being accidentally opened, and there is a special ring to attach an ID-Tag. Features & Benefits Reflective Stiching - Reflective yarn is woven into the webbing for night-time visibility. RogLoc - Lockable contoured buckle. Only in L, XL, & XXL Reflective Stitching - Double reflective stitching assists with visibility during evening walks. ID Tag Attachment - Includes an ID tag attachment for others to identify your dog if they go missing. Die-Cast Ring - Custom designed die-cast ring made from zinc. Materials Webbing and Reflective Stitching: Nylon Plastic Components: POM Acetal Plastic Components Die-Cast Ring: Zinc Size Guide: Adjustability XS - 16-22 cm S - 20-31 cm M - 26-40 cm L - 34-56 cm XL - 43-70 cm XXL - 50-80 cm