Holds beverage cans with or without insulated can wraps, as well as most standard size bottles. Drain allows water to be drained directly into the bilge with the use of 1/4" tubing (not included). Requires a 3-5/8" diameter hole for installation. The bottom is padded with a rubber insert to prevent rattling. Includes mounting gasket. Constructed of corrosion resistant stamped 304 stainless steel.