A convenient spot for a hot cup of coffee in the morning, or cold beverage when you're enjoying a day on the ice. The E-Hub Cup Holder fits most beverage containers, including popular mugs and tumblers, as well as cups, bottles, and cans. E-Hub accessories are designed with a locking clip connection that easily snaps into place, holding strong and secure even if accidentally bumped. A standard E-Hub Base is included for use on hubs or other flat surfaces, utilizing the existing bolts/nuts on the shelter hub so no additional installation hardware is necessary. When the day is done, the base can remain mounted during shelter takedown and storage, ready for your next trip out on the hardwater. This cup holder accessory also includes two mounting adapter options to keep things level wherever you choose to use it. An angled adapter keeps things level in flared-bottom shelters, compensating for the angle of the hub, while a flat adapter is used for 90 degree mounting on vertical surfaces ...