ADOPTED FOOD GRADE MATERIAL - Adopted upgrade food-grade material, FORID reusable storage bags are plastic-free and eco-friendly, meaning our reusable food storage bags are harmless to the environment when disposed or burned. Each reusable freezer bag is reusable for hundreds of times, saving up to 400+ disposable plastic bags, which not only can protect our earth, but also save our money. LEAK-PROOF & PERFECT SEALING - The reusable food bags adopt resealable double-lock zipper technology, providing an waterproof and sealing effect, perfect for storing and preserving food. Due to the upgraded wide side and non-slip zipper design, even children can open and close the gallon storage bags easily. And the transparent design allows for a quick glance at contents inside. FREEZER SAFE & EASY TO CLEAN - These reusable freezer bags are perfect for freezing food, meat, chicken, fish, fruits and vegetable, which can make your refrigerator tidier, cleaner, and fresher, and it is recommended to hand wash with soap and the brush we prepare for you in cold or warm water. Don’t use in hot water, dishwasher, microwave or oven. MULTI-PURPOSE STORAGE - The reusable gallon bags (10.6 inches x 11 inches) are great for marinating meats, meal prep, frozen foods, cereal, cookies, knitting materials, office supplies. The reusable sandwich bags (8.68 inches x 7.27 inches) and the reusable snack bags (8.68 inches x 4.72 inches) are the perfect container for sandwiches, snacks, nuts, lunch, vegetables, fruit, stationery, travel and more. SATISFACTORY SERVICE - If you are not satisfied with FORID reusable lunch storage bags, please get in touch with us in time. We absolutely guarantee that we will try our best to help you solve the problem. Meaning you never need to worry. Choose our reusable food storage bags to minimize your impact on the planet and protect our common home!