... .red,blue and mutiple colors .Glowing:5-24 hours,up to 2 years .Certification:EN71,CE,ASTM,SVHC,MSDS .Non-tox Product ... ASTM,CE,MSDS,En71,TRA,BP,7PSize D4.5*39mmGlowing time 5-24 hoursStorage life up to 2 yearsColor multiple colors orange, yellow, green, blue ... end: *We welcome our clients to visit our factory, ---------------------and build happy long cooperation. Up to 1 inch glow sticks for people ...