Universal Vacuum Sealer Bags Create Custom Length Vac Bags for All Food Types Works with Virtually All Kitchen Vacuum Air Sealing Systems Multi-Layered Bags to Seal-in Freshness Perfect for Preparing Foods via Sous Vide Food-Grade Quality & Safety BPA Free Re-Usable & Safe Vac Bags for Freezer Microwave Boiling Works with NutriChef Models: ‘PKVS10BK PKVS10WT PKVS18SL PKVS18BK PKVS20STS PKVS30STS' *Can Also be Used to Store Collectibles & Non-Food Items