This Hoop Top Marine Trash Bag manufactured by BoatTrix.com has a circular hoop opening that can be cinched closed or set to a preferred size opening. It holds a lot of trash. Cans, Bottles, Paper plates, etc. Up to 5 gallons worth. The bag Dimensions are 15.75" wide by 23.5" deep. It holds 48 empty non-crushed cans (12 oz). Simply the best for the price. Moreover, Boat Trix guarantees the workmanship of components for 1 yr, Simply pay shipping. To empty the bag, simply remove the bag from the boat, open the cinch tie to widen the opening, and turn it upside down. Boat Trash Bag