Leakproof bags are constructed from high quality vinyl that is fully welded and fire retardant. These bags are approved for institutional use. The leak proof and flame retardant properties of the material are built into the fabric and are guaranteed for the life of the bag. Bags are hooded for convenient transporting along with a shock corded rim to insure a snug fit and easy removal and setup. These bags are made for the 680 series hampers but will fit on 692, 694, and 697 hampers as well.