【Clear elastic hair bands】Rubber material, durable and flexible. Easy to stretch, non toxic, no odor and safe. More durable than regular rubber bands. , 【1000 pieces elastics hair bands】Abundant quantity, enough for your long term use. Whether you have long hair or short hair, Won't break your hair. 16mm in diameter and 1.1 mm in thickness. You'd better use 2 or more rubber bands when apply to the thick hair.