• 1. All-in-One Heat Resistant Containers Set: The 7-piece set (47.0 fl oz (1,370 ml) x 1, 20.0 fl oz (560 ml) x 2, 8.5 fl oz (240 ml) x 4) can withstand temperatures from -4°F to 196°F (-20°C to 510°C). Perfect for microwave heating, oven baking, freezing storage and any cooking occasion. Utilizing the characteristics of high borosilicate glass, it can be heated directly from the freezer to the microwave
• 2. Easy to open valve lid after heating: Open the valve on the lid to easily release the internal air pressure after heating. This eliminates the problem of being difficult to open the lid. The lid is durable and will not deform for a long time
• 3.【BPA Free Safe Design】All materials are BPA free and direct contact with food grade silicone. Can be used safely to store baby food
• 4. Stacking Design for Excellent Storage: Containers of the same shape can be stacked together to save space in the refrigerator. 240ml/560ml containers can be stored within 1370ml so they are perfect for organizing and saving space
• 5.【ECO-FRIENDLY AND SMART CHOICE】Glass material is recyclable and eco-friendly, dishwasher safe and helps to save water and detergent. The included color box is made from recycled paper and is designed with SDGs in mind
• 6. Important Precautions for Use: Borohouse glass storage containers are compatible with microwave ovens, ovens (*Use with lid removed), and freezer storage. Please note that it cannot be used on open flames or induction. Be sure to open the air valve when heating the microwave. Strong impacts such as sudden temperature changes and drops will lead to breakage. The main body and lid are dishwasher safe, but the lid is top rack recommended. We hope you can use it for a long time without worry