Stop spilling drinks with the TableCoaster Anti-Spill Drink Holder. Designed for any flat surface, this coaster prevents drinks from accidentally falling over. Featuring a unique micro-suction base and walled profile, TableCoaster creates a strong, temporary bond to smooth surfaces. Likewise, it works on surfaces such as metal, glass, plastic, and wood, without leaving any residue. By deflecting outside forces all the way down to the base, the holder keeps your drink upright at all times. In addition, you can reposition the anti-spill drink holder over and over again with the same power as the first time. Offering a one size fits all design, it works with bottles, cans, mugs, and tumblers up to 3.5-inches wide. It also comes with a removable adapter to hold drinks up to 2.75-inches wide. Suitable for cold and hot drinks, TableCoaster even provides a mug handle slot.