🍓【 Leakproof and Food Safety 】 These glass mason jars have silver lids that provide an airtight seal, avoiding leaks and keeping food fresh for extended periods. This feature is very useful for keeping liquids and preserving food. The glass design also ensures that no toxic chemicals seep into your food, which can be an issue with some plastic containers. 🍒【 Stylish and Functional 】 The mason jars with lids have a simple, classic design with a silver mason jar lids that looks stylish and can complement any kitchen decor. These 6 Pack 250ml glass mason jars with lids comes with 12 Black labels and a White pen. It's designed to have a smooth surface to make it easier for you to check for discoloration, bubbles, or unwanted mold. The regular lids have a rubber coating to prevent leakage and make them airtight. 🥒【 Versatility 】 These jars can be used for a wide range of purposes, including canning, storing dry goods, homemade jams and jellies, craft supplies, and even for decorative purposes. Each glass jars with lids has a capacity of 250ml, making them ideal for small to medium quantities of preserves, spices, sauces, and more. The round shape of the jars makes them easy to handle and store, fitting conveniently in cupboards, shelves, or refrigerators. 🍌【 Care Guide 】 When you're using mason jars for overnight oats, be careful with temperature changes. Don't go from hot to cold too quickly, like moving salad jars from the oven to the freezer. Never pour liquid into a hot canning jars because it might break. Also, don't put hot preserving jars on cold or wet surfaces. Let them cool down first. After washing the jar with lid, make sure the lids are dry before storing to prevent rust. 🍯【 Warranty 】 At volila, every purchase of our overnight oats jars with lids comes with a 100% warranty. Should you encounter any concerns or issues with your item, don't hesitate to reach out to us. Your peace of mind is our promise!