solid necklace, two colour necklace, three colour necklace. Features: 1) Size: 6mm x 580mm2) Glowing time: ... and ASTM F963 standards6) Storage life: 2 - 3years7) OEM acceptable8) Color: multiple colors Green, Blue, Pink, Red , white, purple and yellow ... fields, survival Kits, glow bowling hunting, fishing, fire department, military, power outage, and camping