... :15*150mm .Glowing time:5-24 hours .Storage life:up to 2 years .Non-toxic, non-flammable, non-radioactiv .CE,EN71 ... ,ASTM Size 15mm*150mmGlowing time 5-24 hoursStorage life up to 2 yearsColor multiple colors orange, yellow, green, blue, purple, pink ... for you.We welcome our clients to visit our factory, and build happy long cooperation. lovely kind of glow in dark item and ...