The foam of pearl cotton is not strong enough to damage. It is protected by insulating sheet and is not easy to consume power when not in use. These LED foam sticks are used in many clubs around the world With multifunctional lighting, you can control the atmosphere of any room Suitable occasions: used for concerts, clubs, nightlife, carnival, parties, / parties, weddings and any other nocturnal activities of LED foam sticks! Glow In the Dark Foam sticks is suitable for Birthday, Celebration birthday parties, camping trips, Halloween, glow parties, concerts, school classroom rewards, treasure chests, carnival prizes, bathtub fun, bars and all other uses. Colour:White Material:Electronic components + pearl cotton Package Contents: 50 x light stick 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.