Black Velvet & Diamond Sweetheart Rhinestone Pet Dog Cat Collar X-SMALL3/8" WIDTH 3/8" Black Velvet sewn onto a nylon webbing White Swarovski Crystals Rhinestone Buckle + Free Heart Charm included Measure around neck with NO Extra Room, We add to that measurement.Fits 5-1/2" thru 7" actual snug neck circumference, NOT collar size. We have a matching leash available for purchase. Made in the USA!