NovelBee 3pcs Black Recessed Plastic Cup Drink Holder with Drain for Boat Truck Car Marine Camper RV

Cup holder drain hole ID:0.12" Cup holder drain hole OD:0.28" Cup holder lager inside dia.:3.53" Cup holder small outside dia.: 2.85" Cup holder lager outside dia.: 3.6" Including drain height:3.6" Excluding drain height:3.3" Cup holder overall lip outside dia.: 4.2" Each cup holder size:4.2"x4.2"x3.6" Lightweight but durable and with flange Smooth surface finish for easily cleaning up Boat cup drink holders easy to install with no mounting screws required Boat cup holder with drain holes in the bottom Drink cup holder install almost anywhere on boat,table,sofa,car,seatback,counter top,etc. Package 3 x Cup Holder for Boat