1. Made from BPA-free food-grade material. Each bag features an upgraded 3D air valve that works in tandem with the dual-layer suction zipper on the sealer to create a truly airtight and leak-proof seal, effectively blocking out air and moisture. With a wide temperature resistance range of -40°C to 100°C, it's ideal for sous vide cooking, freezing, and refrigeration.
2. Built-in Label for Easy Organization: Each bag has a label area to note contents and dates, making food management efficient.
3. Self-Sealing Valve & Double Zipper for Leak-Proof Seal: The innovative design ensures an airtight seal after pumping, keeping food fresh longer.
4. Micro-Pore Membrane for Easy Pumping: Works efficiently with a vacuum pump (sold separately) for quick air removal—no extra sealing strips needed.
5. Friendly Customer Service: Barrysail stands every Product, if you are not satisfied with your order, please reach me, I will make it happy order.