FOOD GRADE MATERIAL & ECO-FRIENDLY: BPA free reusable storage bags are with top quality They made of premium food-grade PEVA material, PVC-free, lead-free, chloride-free & phthalates free, safe and healthy^21 PACK & EXTRA DURABLE: Choose 21 Pack premium reusable bags, we offer 3 different sizes for different needs, each size has 7 packs, they are perfect for you and your family.^LEAK PROOF: Our reusable food storage bags are designed with upgraded double closures that are super air-tight, leak-proof and hygienic , perfect for storing and preserving both solid food and liquid food, perfect for home and travel.^FREEZER SAFE : reusable freezer bags are perfect to avoid freezer. What's more, the reusable storage bags are super easy to clean. NOT dishwasher & microwave safe.^VERSATILE: The extra large reusable gallon bags (11.8" x11") are perfect for storing meats, frozen foods, cereal, knitting materials, office supplies.The reusable storage bags are transparent, you can see the contents inside easy and quick. ^