Bonsenkitchen Bpa-free 8" x 12" vacuum sealer bags are safe for sous vide cooking up to 195°F (90°C), as well as microwaving, freezing, boiling, washing, and reusing—perfect for long-lasting food storage. These pre-cut, commercial-grade 4 mil bags feature deep air channels for a strong seal, are compatible with all major vacuum sealers, and help prevent freezer burn while saving time and money in the kitchen.