Glasslock is made of silica, soda ash, limestone, and other natural components, making it eco-friendly and recyclable. It is BPA-free and does not contain any harmful environmental hormones. Glasslock comes in different sizes and types to meet your everyday needs. The transparent and clear glass design makes it convenient to identify the content and will look great in any kitchen. Glasslock delivers the flexibility of using it for the microwave, freezer, and dishwasher Odor-free, stain-proof, and air+liquid resistant, the easy latching lids bring more convenience in storing your food.