... *39mm .red,blue and mutiple colors .Glowing:5-24 hours,up to 2 years .Certification:EN71,CE,ASTM,SVHC,MSDS .Non ... ,BP,7PSize D4.5*39mmGlowing time 5-24 hoursStorage life up to 2 yearsColor multiple colors orange, yellow, green, blue, purple ... clients to visit our factory, and build happy long cooperation. up 1 inch light stick for people party and home play decoration