NESCO ULTRA Vacuum Sealer Rolls are ideal for keeping food fresh up to 5 times longer than traditional methods. Lock freshness and flavor in and eliminate freezer burn, reduce spoilage and waste. The heavy-duty multi-layer construction is tear-resistant and can be cut and trimmed to make custom-size bags. Material is BPA, PVC, and phthalates free and is microwave, marinate, boil, refrigerator and freezer safe. NESCO ULTRA Vacuum Sealer Rolls are compatible with NESCO and other brands of vacuum sealers.