... Conform to EN71 and ASTM F963 standards Storage life: 2-3years OEM acceptable Light up flash ring Flashing ring ,flashing led rings ... required 3) Conform to EN71 and ASTM F963 standards4) Storage life: 2-3years5) OEM acceptable6) Color: multiple colors green, blue, pink ... , dance hall, camping, banquet, festival, celebration, and outing fields Light up flash ring