BEST ESSENTIAL SET - The perfect set comes with three large 4.4-cup (35 Oz) and three small 1.6-cup (12 Oz) rectangular containers, all with matching lids. The containers also nest inside one another when not in use, making them easy to store efficiently. HIGH QUALITY - The containers themselves are BPA-free, recyclable glass is made from natural components. Each plastic lid has a rubber gasket and four latches, which makes them completely airtight and securely fastened for optimal food freshness and protection against leaks. Healthier alternative to plastic tupperware. VERSATILE - Each glass block is made from borosilicate glass, making it oven safe, as well as dishwasher, microwave and freezer safe. The tempered glass containers are also resistant to thermal shock. They can handle sudden temperature changes of more than 200°F (95°C) without breakage. Go from freezer to oven, and stay shatter-proof. CAUTION! Do not put plastic lids in the oven, microwave, dishwasher! FITS EVERY NEED - You can use this six-piece kitchen set for storing, freezing, reheating, baking and serving. It suits for homemade baby food, for last night's leftovers, for taking lunch on the go and packing snacks, tiffins. 100% MONEY-BACK SATISFACTION GUARANTEE - 5 STARS UNITED wants you to be absolutely happy with your purchase! If our product does not work for you for any reason, return it for a full refund. You will get 100% money back with no questions asked. You take NO RISK by ordering today!