~Black Velvet & Diamond Sweetheart~Rhinestone Pet Dog Cat Collar ML 5/8" Black Velvet sewn onto a nylon webbing with white Swarovski Crystals Fits a 11-1/2"- 13" snug neck circumference only, not collar size! Measure around neck with snugly NO Extra Room, We add to that measurement. Rhinestone Buckle + Free Heart Charm included We have a matching leash available for purchase. Fits 11-1/2" - 13" snug neck circumference, NOT collar length