✅【SAFETY TIPS】 1. Recommend hand wash (water temperature: below +86 ℉), not safe for dishwasher. 2. Don't put in the microwave or oven for heating.✅【100% FOOD SAFE】 Made of food grade PEVA material. Reusable Food Storage Bags is completely free of BPA, lead, PVC, latex and phthalates. They won’t leach harmful chemicals like plastics can. One LKSUMPT reusable food storage bags can replace 400+ disposable bags.✅【MULTI-PURPOSE】 The reusable storage bags are great for marinating meats, frozen foods, cereal, cookies, salad, sandwiches, snacks, vegetables, fruit, cosmetics, jewelry make-up, office supplies, travel and more.✅【LEAK-PROOF & FREEZER SAFE】 The feature an upgraded zipper closures sealing technology that is more sealed, leak-proof. Reusable freezer bags can classify and organize your food, and also keep your food fresh. The freezer is safe.✅【EASY TO CLEAN】 Easy to clean (Dishwasher not safe), hand washing with soap and warm water or baking soda can easily get rid of any smell, open it and put on the rack or bottle to dry.✅【QUALITY GUARANTEE】 If for some reason you are not thrilled with our reusable freezer bags, simply return it for a full refund. Please do not hesitate to contact us anytime of you have any questions or concerns.