FoodSaver FBSQ25G10-NP Sous Vide Bags, Medium, Clear - Constructed of BPA-free multi-layer material, FoodSaver bags are safe for sous vide cooking and are designed to withstand boiling temperatures - Vacuum sealing your ingredients allows heat to better transmit to your food and ensures that packets stay submerged during the sous vide water bath - Multi-ply material locks in freshness, prevents freezer burn, and can go straight from the freezer to a sous vide bath with no separate defrosting required - Specially designed channels block oxygen and moisture to maximize air removal, keeping food fresh up to 5x longer than non-vacuum storage methods - Includes 25 quart-size vacuum seal bags and 10 gallon-size vacuum seal bags