Prevent drinks from spilling on your boat. The Winch Caddy Plus is designed to securely hold beverage containers such as coffee mugs, tumblers (including 30 oz. and larger tumblers from YETI, etc.), and koozies. It fits into all standard size sailing winches from manufacturers such as Lewmar, Barient, Barlow, Andersen, Enkes, and Harken. It also fits into Scotty fishing rod mounts. The Winch Caddy is manufactured from premium plastic material that has much greater UV resistance and strength compared to ABS plastic. Multiple units can stack together for convenient storage. Drainage holes are located at the bottom of the drink holder. The opening tapers outwards from 3.2” to 3.5”. Developed and refined out on the waters of Seattle, Washington. Patent Pending.