The foam of pearl cotton is not strong enough to damage. It is by insulating and is not easy to consume when not in . These LED foam sticks are used in many clubs around the world. With multifunctional lighting, you can control the of any room. It can be illuminated continuously for more than 10 hours. Suitable occasions: used for concerts, clubs, nightlife, carnival, parties, singles / singles parties, weddings and any other nocturnal activities of LED foam sticks! Type: Color foam lamp post Colour:White Material:Foam Size: 48 x 4cm Package Contents: 20 x led foam sticks Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.