Ruffwear Bivy Bowl™ ultralight, collapsible, waterproof dog bowl. Fuel your adventures with this ultra-light, durable fabric bowl. Welded, single-wall construction keeps the bowl simple and clean. Engineered collapsibility makes it portable and ready to hit the trail. The Bivy Bowl has a capacity of 60 fl oz (1.8L) and weighs 2.96 oz (84g).