FOOD GRADE MATERIAL & ECO-FRIENDLY: These reusable washable storage bags are made of food-grade PEVA material, safe for storing all kinds of food. Safe for your family and the planet; PVC-free, chloride-free, lead-free, and BPA FREE. LEAK-PROOF SEAL & MEAL-PREP READY: These reusable food storage bags feature an upgraded ziplock closure sealing technology that is more sealed, leak-proof, waterproof, and hygienic, perfect for storing and preserving food and even liquids. These transparent bags allow you to see the contents inside clearly. Cut and portion up fruit, vegetables, and meat and store them at hand in the fridge or freezer. Or store soups, marinades, and sauces without the fear of them spilling. FREEZER SAFE & EASY TO CLEAN: These reusable freezer bags can lock out freezer burn while keeping food fresh and full of taste, perfect for freezing fruit, vegetables, chicken, fish, and meat. They are easy to clean with a brush or just hand-wash. Then they are easy to air dry when placed upside down over a mug or a cup. Note: HAND-WASH only, NOT safe in the dishwasher, microwave, or oven. MULTIPLE SIZES & MULTI-PURPOSE: This reusable food storage bags kit consist of 22 bags: 4 large bags (10.6x11 in/27x28 cm), 9 medium-sized bags (8.46x7 in/21.5x18 cm) and 9 smaller bags (8.46x4.7 in/21.5x12 cm). These bags are great to store cut fruit and vegetables, marinating meats, meal prep, frozen foods, cereal, cookies, baby food, etc. You can also use them for cosmetics, jewelry, make-up, stationery, office supplies, travel accessories, and more.