The Taco 2-Drink Poly Cup Holder with "Catch-All" Section holds full-sized insulated drink holders as well as mugs. Made from white UV-stabilized high density polyethylene to withstand the marine environment. The middle "catch-all" section is convenient and practical. Stainless steel mounting hardware included. 16-3/8"L x 3-1/8"H x 5-1/2"W.