These airtight jars are made of food-grade glass and are 100% BPA-free. Clamp jars are sealed with a high-quality food-grade rubber gasket cover and a stainless steel locking clip design to ensure your food is sealed and keep them fresh longer. The sleek clear bottle body and wide mouth make these jars look more practical, and you can easily view the inner contents. These airtight glass jars can perfectly store delicious foods in your home or kitchen for pasta, coffee, beans, sugar, candy, biscuits, snacks, rice, noodles, flour, seeds, pickling salt, powder, etc. In addition, our wide-mouth mason jars are 100% recyclable and dishwasher-safe. Just let these square candy jars add color to your home and kitchen now.