Come and see our amazing products. This LED Slap Wristband is made of nylon woven fabric and steel sheet. With the press of a button, these LED light up slap bracelets feature 3 different modes of light: slow flashing, solid light, strobe flashing. These jogging, safety wristbands wrap around your wrist in a fun snap action. The Lithium cell CR2032 3V batteries come installed and are interchangable. Pls confirm with us about the packing info, stock color and exact production time before placing your order.