Deep Blue Marine MB-1 Single Cup Holder w/Storage [MB-1]MB 1 Single Cup Holder with Storage The MB 1 polymer drink holder is designed for horizontal surfaces and includes a convenient storage box (5 x 3 1 2 x 2 1 2 deep) for items like cell phones, keys, tackle, fishing gear, etc. The drink holder fits all insulated "Coozie" type drinks and handled mugs. Measures approximately 10" X 4 7 8" x 3 1 2 tall. Features: 100% Starboard Construction Convenient Storage Box Works on Port or Starboard Sides Suction