... blue and mutiple colors .Glowing:5-24 hours,up to 2 years .Certification:EN71,CE,ASTM,SVHC,MSDS . ... 7PSize D4.5*39mmGlowing time 5-24 hoursStorage life up to 2 yearsColor multiple colors orange, yellow, green, blue, ... quality.2.Our factory is close to the Beilun Port, so we are convenient to export products.3.We can ... also print it for you.4.If your items are not the normal sizes, we can design the new ...