A classic rafter's dry bag that has been keeping gear safe and dry since the 70's. Constructed of 21 oz PVC/polyester body and a 34 oz PVC/polyester round bottom. The 3.8 Bill's Bag offers plenty of storage for multi-day excursions. Vinyl-topped closure ensures dryness. Bags are measured closed and full (folded 3 times). Size: 16" x 33", 6566 cu in