ITS GOING TO BE HARD TO FIND THESE ANY MORE.. BUT NO WORRIES SUN IN COMFORT HAS THEM IN STOCK..NEW WITH TAGS.. The Anchor is a universal non-tipping cup holder designed to secure your favorite cup or drinkware container and anchor it to any smooth surface. This portable cup holder will keep your drink from getting knocked over in almost any situation! To use simply set the Anchor down and insert your favorite cup. The Smartgrip® suction base keeps your beverage upright while being hit or rocked. To remove simply lift straight up. From a lack of cup holders on a rocking boat to wagging dog tails, this product will keep your drink upright, and accident-free. SMARTGRIP TECHNOLOGY - Patented uni-directional suction design makes it hard to tip, but easy to lift. UNIVERSAL FIT - Securely fits all popular 16oz-32oz tumbler cup brands and most insulated water canteens. STAINLESS STEEL - Stainless steel walls with a durable rubber interior. HOW TO USE: Hard to tip, easy to lift. To use simply place the Anchor on any smooth surface and it will keep your drink in place (securely up-right). To remove, lift directly up.