HIGH-QUALITY GLASS - Triumph overnight oats jars with lid is made up of 100% high-quality glass that resists cracks, scratches, and breaking. This glass is lead-free and completely safe & healthy for food and beverage storage.MULTI-PURPOSE STORAGE - Our glass oatmeal containers aren't just limited to overnight oatmeal storage, but you can also use them to store all kinds of food materials & beverages. These jars can be stored in cabinets, fridge, heat up in ovens, etc.AIRTIGHT SNAP LOCK LID - Triumph ensures the security of your food by making these oatmeal jars airtight with a snap-lock lid. It provides leak-proof safety while taking them on the go. Enjoy your food anywhere with these portable containers.PERFECT FOR PRESERVATION - If you are a canning enthusiast, this jar for meal prep is ideal for you. It can be used for homemade pickles, jams, jellies, sauces, gravy, peaches, bell peppers, and more. You can also store salad or sliced fruits in it.SAFE & HYGIENIC - These to go glass jars are safer, cleaner, and hygienic than plastic jars because glass has a nonporous surface that does not absorb food and not suitable for bacteria to grow. You can easily wash and clean them to store food.