A: 45-70 CM B: 25 MM - C25/70 Color Dove Grey FEATURES Dog collar Made of polyester with a soft PVC coating Soft, elastic material Non-toxic and hypo-allergenic, it is washable and waterproof Anti-UV, resistant to low and high temperatures Innovative automatic clasp with magnetic mechanism for quick hooking/unhooking Easy to wear, safe and reliable, it has also been tested for tensile strength Can be paired with traditional leashes and harnesses in the same product line