Come and see our amazing products. The original color of the wristband is white or off-white and it changes to purple or yellow or blue or pink when exposed to sun light. Colors will be deeper when the UV is stronger. Made of high quality materials,Lead free and latex free. Measures 8 inches x 0.5 inch that fits most wrists. Multiple branding methods includes debossing,embossing,silkscreen etc are available. Pls confirm with us about the packing info, stock color and exact production time before placing your order.