All the product have pass theCE and ASTMF963,We are the manufactory for specialized in chemical glow bracelet,glow stick,glow pr Product description:glow bracelet,glow stick,glow earring 1.size(MM):10*100,10*150,10*200,10*250,10*300,15*300,15*350,200*4002.Glowing time:6-8H3.Non-toxic,non-flammable,non-radioactive,waterproof4.no heat,flame&sparks,no battery required5.conform to EN71&ASTMF963 ...