Preserve food freshness up to 5 times longer with airtight seals that lock in the flavor and quality of your food. Compatible with all vacuum and sous vide machines up to 70°C - 6h and 100°C - 15min. Effectively extract oxygen, which seals in the rich flavors & freshness, preventing spoilage, and safeguard against the occurrence of freezer burn. By preserving the freshness of your food, you can significantly reduce food waste, which in turn helps you save a substantial amount of money on your weekly shopping expenses.