The Avery Sporting Dog DriStor Dog Food Bag is the perfect way to carry your dog's food for hunting trips, trials, and hunt tests. This air tight bag has a roll-top closure to keep your dog's food fresh. The 20 pound capacity bag is considered the "Weekender" for shorter trips. The larger 40 pound capacity bag is the "Vacationer" for longer hunts or trips away from home. FeaturesAir tight roll-top closureDurable DuraMax constructionRadio frequency welded seamsSee-through contents windowAdjustable shoulder strap