The Deep Blue SSDH Single Side/Surface Mount Polymer Drink Holder is an economically priced single drink holder that is constructed of 100% marine-grade polymer. The Deep Blue SSDH Single Side/Surface Mount Polymer Drink Holder includes three suction cups that may be mounted on the back or bottom in pre-drilled holes. Versatile mounting options permit use almost anywhere, may also be permanently attached. Covered by Deep Blue’s lifetime warranty.