SeaLux UV stablized Recessed BLACK Plastic Drink Cup Holder replace insert for Marine Boat Car Van no drain No drain holes in the bottom to keep moisture away from electronics or other items below. Install almost anywhere on boat, game table, sofa, cars and RV. Dual purpose design allows use of beverage cans with or without insulated can wraps Cutout Hole Marine Grade Products, outdoor installation friendly. Sold as each.