Large Cup Holder, White 

"Made from super-tough poly material which resists sunlight, breakage and chemicals. The holder is UV tested and will not fade as others do. Hose fitting on the bottom to accept a 3/8" I.D. hose. Any spills, spray or rain water can be drained to the bilge area."

Color: White, Size: 4-5/16" OD x 4-1/4" D", Hole: 4-1/4"