Description: Can be used in marine, boat, camper, car, RV, truck. Easy to install, durable, conveniently hold your drinks in style. The cup holder has narrow and wide stages to accommodate smaller drinks like cans and larger cups. EVA bottom liner with extension drain hole. It is easily installed almost anywhere like on a table, counter top, dashboard, etc. Specification: Material: Plastic Body, Stainless Steel Lip Top diameter: approx.86mm / 3.4inch Bottom diameter: approx.72.5mm / 2.9inch High: approx.83.9mm / 3.3inch Package Includes: 1 Piece Cup Holder