Glad Dual Defense Drawstring Large Trash Bags deliver double-bag protection, making them strong and durable for extra-heavy loads. This Smart Layer technology consists of two layers. The outer layer of these black garbage bags is built with LeakGuard for added leak protection vs. the leading bargain brand large trash bag, while the inner layer is made with the unique diamond texture of ForceFlex technology for tear and puncture protection. Three-ply drawstring grips the can so the bag stays in place, and it also makes it easy to close, lift and carry out. These large Glad drawstring trash bags are great for schools, daycare centers, restaurants and other commercial facilities. They fit up to 30-gallon size trash cans, making them perfect for tough jobs throughout your home or office. With the special dual-layer construction of these black garbage bags, you can handle any trash load with ease.