SAFE AND : High quality materials , the LED Glow Light Sticks were made of ABS+PS. Safe and non-. ABS material in the impact resistance, heat resistance, low temperature resistance has a strong advantage, you can to any lively scene, do not need any security concerns. Adopts a LED which can emit 15 different shades of brilliant light. Powered by batteries; can be reused by replacing the batteries, making it more environmentally friendly than most glow sticks. be spoilt for choice with 15 individual colors, or turn to color changing mode to match the mood in bars or at live concerts. Visible range of over 500 m on a clear night.Made of PP and ABS material, no smell, safe to use, widely used at vocal concerts, evening party, celebration, opening ceremony, wedding, to create atmosphere. Colour:White Material:Plastic Package Contents: 2 * glow sticks 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.