Chemical 15" Glow stick Non-Toxic, Fun & Safe, Gow Time: 8-12Hr Standard: EN71 , ASTM F963, DBP FREE, BV TEST (HK),SGS 15"Glow stickWe are the manufacture specialized in producing chemical glow necklace and other glowing products widely applied in indoor/outdoor events, parties, festivals, holidays etc. Features: 1) Glowing time: 8-12 hours (2) Shelf life: 1-2 years. (3) All our ingredients are ...