The Vertically Driven Products 6-Can Tub Cooler fits any tube or bar up to 4.5 inches in diameter, such as a sport bar or golf cart. It is made from thick, snug heavy-duty neoprene with quality glued and overlock stitched seams. It has a heavy-duty shoulder strap to take on the go, to the beach, picnic, or camping. It can hold cans, plastic juice bottles, or water bottles, and it floats! Take it rafting, boating, tubing, or kayaking.