【Food Grade Material】：Made from premium PE and PA material with self-seal design, odorless and non-toxic, good air tightness and leak proof.And it is made of BPA free material,makes preservation better and the bag more durable. 【Keep Fresh For Longer】：Keep Food 3-6 Times Longer.Double zipper design creates an airtight barrier, leakproof, blocking moisture and oxygen, prolong food shelf time and lock in flavors and nutrient.Let you eat fresh food anytime, anywhere. Keep fresh ingredients, improve quality of life and reject waste. 【Reusable and Clean】：With durable material and double zipper, this sous vide bags kit is reusable for food storage, just use the warm water to clean it and store it in a clean and dry place before using again. 【Multi Purpose】：The vacuum sealer bags could be used as sous vide cooking bags, reusable food storage bags,sandwich bags, freezer food savers,accessiores organizer at kitchen, home, pantry, workplace or in trip. 【Complete Accessories】：Comes with small/medium/large sizes,15pcs reusable vacuum food sealer bags,4 clips,will meet all your demand in your food storage and cooking.