Our Set of Storage Bags Is Made of Metallic Mylar and Aluminum Foil Odorless and Non-toxic. Safe for Use. Not Easy to Break.Works Well In Waterproof. Smell Proof Functions. Can Prevent Rust. Erosion. Oxidation. Moisture and Damp. Also Durable for Long Time Using.Keeps All Water and Moisture Out and Any Odors In When Sealed.We Give You Different Colors to Choose From. We Provide You with Various Size Selections. We Can Meet Different Demands Size: 7 * 10Cm / 3 * 4Inch. 9 * 16Cm / 4 * 6Inch. 12 * 20Cm / 5 * 8Inch. Aluminum Storage Bags Are Suitable for Cereals. Supplements. Coffee Sugar. Dry Food. Pet Food. Bath Salts. Even Electronic Accessory. Etc. Suitable for Packaging. Storage. Shipping. Sampling and Sorting. Resealable. The Aluminum Foil Bag Is Easily Closed and Recycled. Save Money You Can Manually Seal The Zipper Part Or Heat Seal The Open top Section Above The Zipper. to Achieve A Storage Effect. and These Bags Food Storage Can Be Applied Many Times.Use The Reusable Recyclable Eco-Friendly Bags to Reduce Plastic Bags and Minimize Hurt On The Planet. Each Reusable Storage Bag Can Save Up to 400 + Disposable Bags. Not Only Will Change The Way You Store. But Also Can Save Your Money. Practical and Simple Design Just Open and Seal. Very Easy to Use to Pack and Store. Transparent Window Design That Allows A Quick Look At The Contents Inside. Be Sure to Close The Zipper Seal to Prevent Leakage and Ensure Freshness . The Package Contains 100 Pieces Resealable Bags You Will Get 100 Pieces of Resealable Food Storage Bags In One Package. A Large Quantity to Satisfy Your Use and Replacement. Or You Can Share with Others.Suitable for Candy. Tea. Nuts. Grains. Supplements. Coffee Sugar. Dry Food. Pet Food. Bath Salt. Even Electronic Accessory. Cosmetics and Soaps.