Dimensions: 4 inches H - 3 1/2 inches inner diameter, 4 1/4 inches outer diameter, with flange Install almost anywhere on the boat, dining table, sofa, cars and RVs. With drainage holes in the bottom to keep moisture away Install almost anywhere; table, countertop, dashboard, seat back, etc. No screws required Smooth finish for easy cleaning White cup holder is a perfect addition to your poker, blackjack or pool tables, boats, RVs, patios, cars, decks, trailers or tables. This is a style cup holder, all you have to do is cut a hole in the where you want to mount the cup holder. Color: White Material: ABS Package Contents: 6 x Cup Holder Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.