FOOD GRADE QUALITY & NO MESS: Our plastic jars with lids are food grade and free, each set comes with leakproof insert you can place under the cap. DO NOT USE IN MICROWAVE And We recommend to hand wash these plastic storage jars for best . GOOD FOR MANY USES: Whether you're just trying to organize or you are a professional, these plastic jar with lid are your go to products. Your desserts, salads, slime or cosmetics feel in our sleek clear plastic jars no matter if on display at a bakery, cosmetics store, charity event, , restaurant, or the comfort of your home. MULTI-PURPOSE: Our clear jars with lids are the perfect plastic container for packaging deserts, cosmetics, slime, coffee storage and desk organization. LEAK PROOF AND AIRTIGHT: the plastic under seal on the top lid creates an airtight seal to give protection for your things when the lid is securely screwed onto the container, so your slime, cosmetics, desserts, coffee beans or creations 't dry out