Sea-Dog Drink Holder w/Suction Cups Single/Dual. Expands from single to dual holders conserving space when not in use. Accommodates drink containers up to 3-1/2" in diameter. Impact resistant injection molded nylon construction. Specifications for Sea-Dog Single/Dual Drink Holder w/Suction Cups: Manufacturer: Sea-Dog Color: Black Features of Sea-Dog Single/Dual Drink Holder w/Suction Cups Expandable drink holder Mounts easily to most surfaces with suction cups Expands from single to dual holders conserving space when not in use Accommodates drink containers up to 3-1/2" in diameter Impact resistant injection molded nylon construction Package Contents: Sea-Dog Single/Dual Drink Holder w/Suction Cups Sea-Dog 588510-1: Drink Holder w/Suction Cups Single/Dual