Features: Simple to Use: LED Glowing bracelet by simply slap wrap it to fit on both adult and children, men or women for the wrist, ankle, and arm. Comfortable to wear: Lightweight and ergonomic design, which youll not feel uncomfortable to wear it when youre. Eco-Friendly Materials: The flash display bracelet is made of high-quality plastic (TPU ABC PC) for perfect visual effects. Supper glow in the dark: this LED Slap band provides 360-degree ultra-high visibility in dark and nighttime activities. Long-time Use: Built-in 160mAh lithium battery, long battery life for durable use. Suitable for Party, Concert, Camping, Outdoor Sports and etc.