Debossed Colour Filled UV Silicone Wristbands have your logo, choice of artwork or message stamped into the wristband and then for extra pow impact have the debossed letters ink printed. This is an extremely durable band at a great value price. The wristband is white until hit by UV rays, it then changes to violet/purple. The contrast in this item between the band and the ink is very strong with effects. This is a popular promotional item to potential customers, pleasing all ages.