we are factory,provide all kinds of glow sticks , OEM acceptible. Free samples Features:1) Size: 8" 5(dia)*200mm 6*200mm 10*250mm2) Glowing time: 8-12 hours3) Non-toxic, non-flammable, non-radioactive, waterproof, windproof4) No heat ,flame and sparks, no battery required ,5) Conform to EN71 and ASTM F963 standards6) Storage life:2-3years7) OEM acceptable8) Color: Multiple colors Green, Blue, ...