• 18 PIECES glass food storage container set- 9 glass containers and 9 matching locking lids. Rectangle L（35.5OZ）*2 M（21.6OZ）*2，Square L（27OZ）*2 S（10.8OZ）*3. This glass bento box was designed with nesting, so the smaller containers fit inside the larger containers for ease of storage(S can be put in M size, M can be put in L size), save your space.
• EASY TO CLOSE--Are you still confused about the difficulty of closing the snap，The 9 locking lids are very easy to close, you don't need to leave the table and hold it by hand and then close it,only needs five fingers to close it tightly .Because this lid is highly compatible with the high-borosilicate glass, it is not only easy to close but also more airtight.
• OVEN/MICROWAVE/FREEZER/DISHWASHER SAFE-from -40℃/-40℉ in freezer to 400℃/752℉ in oven, safe for oven, microwave, dishwasher and freezer .The lids are not oven or microwave safe,please remove the lids before heating and cooking food.It's safe to wash the lids in the dishwasher, but high temperatures over a long period of time can deform the silicone sealing strip at the edge of the lid. Please wash the lids by hand as much as possible.
• BPA FREE - The Glass Storage Containers are BPA Free, and made out of high-borosilicate glass for easy heating and durability. non-porous glass.(BPA free lids, specially designed snap down, no leak lids are completely air and liquid proof.)
• GUARANTEE – If you are not satisfied with your glass meal prep containers for any reason, please contact us directly, or if you have any suggestions for better improvement, please contact us. We are always committed to building a better life.