... ball. glow ball. chemical glow ball. glow stick ball. glow in the dark ball.1. Assorted color available.2. Glowing time: 8 ... yearsNon-toxic, non-flammable, non-radioactive,waterproofNo heat, flame and sparks, No batteries requiredSample is availableConform to EN71 and ASTM F963 ... , non-radioactive, waterproof, windproof ,4) No heat, flame and sparks, no battery required .5) Conform to EN71 and ASTM F963 ...