Easily adjustable for height & width Curved aluminum bottom pieces lock cooler rigidly in place, preventing it from swiveling Especially good if you're rowing from it Keeps heavy items away from the floor when using system in a raft Includes one pair of six foot NRS loop straps for cinching down the lid NRS Adjustable Cooler Mounts - Adjust your cooler to the perfect height with the NRS Adjustable Cooler Mounts. Using mounts also provides you with a solid seating platform for the rower or passenger. Each half of the mount is hung from tie down straps, making the unit infinitely adjustable for height and width.