Boatmates Drink Holders with Koozie - 2 PackHandy, compact drink holder has a suction cup that can be placed on the back or on the bottom, to keep your favorite beverage in place on any smooth, flat surface. Get one for every member of the crew! These injection molded organizers can keep your boat ship shape, and provide a place for those items that are always needed. They are heavy weight, marine grade resin construction, for years of use. The Super Suction cups stay securely fastened, even in the roughest conditions. Can also be permanently mounted with screws. 2 Pack.