Can't choose between taking a shower first or having a drink? We give you the Shower Drink Holder, the ultimate in bathroom indulgence so you can keep your beverage safe, sound, and in reach. Thanks to our patent silicone-grip technology, our products will stick securely with ease. Suitable surfaces include glass/perspex, mirror, shiny tiles, shiny fiberglass, shiny marble, and gloss finished metal. No more adhesives. Installation is simple. First, clean the surface you want to use. Second, peel the backing film off. Third, place the product on the surface smoothing any bubble as you go. For best results wait about 12 hours before use.