Duro Bag Premium Movie Theater Quality Popcorn Bags - 1000 Count 30 Ounce Bags. CONCESSIONAIRES: Are you running a business? Looking for a mess free, low cost solution to serve your popcorn? No problem! Our concession customers rave about the great value they get with our bags. As you probably already know, the key to concession profits is popcorn expansion and low cost supplies. This is something we know about. If you are looking for bulk quantities and are interested in finding out more about how GNP can put more money in your pocket, please contact us via one of the links in the auction.