1. glow in the dark after fully absorbing sun light or night light,self-adhesive, water and removable. 2.We use non- environmental friendly acrylic material, provide you a clean surrounding. 3.It can decorate your living room, bedroom, kitchen and other indoor places. 4.Easy to use and cut, easy to peel,multifunctional, environmentally friendly, luminous, decor. 5.Used for stair, door surrounds, walkways, stairways, skirting boards, entrance and exit ways. 6.Before using, please put the product on a fluorescent lamp or other light irradiation for 20 - 30 minutes. 7.After turning off the light, you can see the glowing effect. 8.Products must first absorb the light, put out the lamp, then shine. 9.The beginning of fully absorbing light be the most bright. 10.The darker the more bright it be seen. 11.Luminous light's brightness slowly weaken as time go on, just let it reabsorb lights, and it return to the initiate brightness. 12.Continuous glow for 6 hours can Colour:Blue Material:plastic Package Contents: 1 * adhesive tape Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.