PRODUCT DESCRIPTION Glad Press'n Seal uses Griptex technology to protect food with a leak proof and airtight seal. Great for storing and protecting leftovers, this multipurpose wrap seals tightly onto a variety of surfaces, such as paper, plastic, metal, wood or other dry surfaces. The Griptex technology activates when pressure is applied and seals to itself, allowing you to create custom shaped food storage bags to freeze food or to make individual portions. It also works well around the house or at work to keep things clean and protected. Press'n Seal wrap is simple to use and easy to handle. The wrap is BPA free and microwave safe. Glad protects and seals with ease. FROM THE MANUFACTURER Finally a plastic wrap that doesn't just cling, it seals. Press'n Seal Wrap's Griptex technology actually seals the wrap to a variety of surfaces including paper, plastic and wood. Create your own custom bags or freeze in individual portions. You can help keep food fresh in the refrigerator and freezer, help prevent spills and use it in the microwave, too.