1.chemical glow bracelet 2. fast &timely delivery 3.various sizes,custom made sizes 4.CE,EN71,ASTM,MSDS * Name:Lighting Stick * Size:5*200mm * Shelf Material: PE * Glowing Source: Chemicals * Glowing Time: 8-10 hours * Usage : used as gifts, toys, party decorations,emergency lights * Apply to: concerts,banquets,festive evenings,wedding parties,chear celebrations,etc. Note: Our glow sticks are Non-toxic, non-flammable, non-radiant and waterproof .