Keep your favorite beverage nearby with this compact suction-mounted drink holder. Large, Super Suction cup mounts on the back or on the bottom. Can be permanently mounted with screws or marine-grade adhesive strips (not included). 3-1/2" dia. x 3-1/4"H. Super Suction cup mounts on back or bottom 3-1/2" dia. x 3-1/4"H Includes BoatMates coozy | BoatMates Drink Holder, white only