Glow Silicone Band 1.Material:made of 100% non-toxic silicone 2.Different shapes and colors for choose 3.Good elasticity Glow Silicone Band, Silly Bandz100% non-toxic silicone, it can pass the ROHS/FDA/SGS standard.Different shapes and colors for you to choose.It can glow in the dark,very nice.Good elasticity, easy to recover after stretching.You can use the rubber bands as you usually use them ...