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 ziplock bags silicone is completely free of BPA, lead, PVC, latex and phthalates. They wont leach harmful chemicals like plastics can. One reusable food storage bags can replace 400+ disposable bags. VERSATITLE The reusable ziplock bags are food grade (Not to use it in microwave, oven). Use reusable ziplock bags for food prep, cooking, lunches, left overs, snacks on the go, travel, food storage, crafting and just about anything you can imagine. 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.