The Wise Pontoon Dual Cupholder has a new, smart design that features a drop-down vinyl retainer with weighted dowel rod to hold the cupholder between your seat cushions. Stainless steel insert cups with rubber bottom and drain hole. Injection-molded frame bottom with super firm foam padding. 28-oz. UV and mildew-resistant marine-grade vinyl.• Dual stainless steel cupholders• 3-5/8" dia. insert accommodates larger tumblers• 3" dia. recessed drop to hold cans, cups, etc.• Upholstered, high-impact plastic frame construction• Weighted drop-down retainer ensures snug fit between back rest and seat cushions• Two-year warranty• 4-5/8"H x 7-1/2"L x 12-1/4"W Super firm foam padding with 28-oz. marine-grade vinyl 3-5/8"" dia. insert accommodates larger tumblers Recessed drop to hold cans, cups, etc. | Wise Portable Stainless Double Drink Holder for Pontoon Furniture