[12 PACK GLASS MEAL PREP CONTAINERS] BAYCO glass containers include 3 types and 12 sizes：Rectangle container: 2x370ml(1.6 cups),1x630ml(2.7 cups),1x1040ml(4.5 cups), Square container: 2x310ml(1.4 cups),1x530ml(2.3 cups),1x800ml(3.4 cups), Round container: 2x390ml(1.7 cups),1x640ml(2.7 cups),1x970ml(4.1 cups). (Please allow 1-2 in differs due to manual measurements, your understand will be much appreciated.) Perfect for several events:gym,leftovers,picnic,portion control,work lunches,travel etc. [OVEN,MICROWAVE(Not the lids),DISHWASHER SAFE /FREEZER SAFE] These containers are oven safe over to 700℉, you can use them for freezer storage,microwave(not the lids)and dishwasher. Easy to use and easy to clean.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 AND FDA APPROVED] Bayco Glass Storage Containers are 100% FDA Approved and BPA Free, which will maintain the freshness and keep your food odorless.It's made out of borosilicate glass for easy heating and durability.And in order to prevent the rubber seal sticking to the glass containers, please must wash the lids and glass containers before put them away. [MEET YOUR NEEDS] These glass containers will be a good helper for serving your everyday food storage needs,not only are these good for dry foods but also our glass containers are great for holding liquids such as juice,Soup and more. The snap locking system forms an airtight and watertight seal,never food spilling over again.you can use them over and over again,save your money,your time,it's easy. [QUALITY CUSTOMER CARE]If you are not satisfied with your products or receive cracked products,please contact our store.We will provide the best solution to refund or resend within 24 hours.