Sous Vide Bags 28Pcs, BPA Free Reusable, with Air Valve, Double-Layered Food ...
They are safe for freezing, microwaving, marinating, and sous vide cooking. Sous Vide Bags,28pcs，BPA Free，Reusable, with Air Valve, Double-Layered Food Storage - for Cooking, Food Storage, and Microwave Heating.