Proven on rivers, lakes, and oceans around the world, Baja Bags are versatile and durable. Made with 19 oz. vinyl sides and a heavy-duty 30 oz. bottom, they can withstand just about any abuse Mother Nature, or your crew, can dish out. Baja Bags close with SealLine's Dry Seal roll-down closure and have an attached D-ring for securing inside a raft or on top of a luggage rack.