StoreMax glass food storage containers enable you to store your delicious meals, fresh fruits and vegetables in the most natural and purest thus the healthiest material. Is fully tempered thus suitable for fast life style of the era. Refrigerator, freezer, microwave (without lid) and dishwasher safe. Is resistant to 135°C. Lid is BPA free and have removable silicone seals for easier cleaning. Avoid heating foods high in oil or fat in microwave. Sharp materials may damage the product. Do not use abrasive cleaners or scrubbers. When hand washed, soft sponges developed for glassware cleaning and proper washing liquid is advised.