Materia type: Borosilicate Glass; No. of containers: 3; Capacity of containers: 3 Containers: 320 Ml Each; Contents include: 3 Containers (320ml Each) + Lunch Bag; Colour: Bag Colour: Blue | Container Colour: Transparent Best usage: Office/School/College/Picnic; Microwave safe: Yes; Leak proof: Yes; Insulated: No ; Other features: Fridge, freezer and dishwasher safe Made from 100% borosilicate glass ; it is guaranteed to withstand temperatures of up to 350°c ; it is scratch resistant Heat resistant up to 400 degrees celsius Easily stackable for convenient storage Unique seal is perfectly air tight to keep food fresh Borosilicate glass will not leach any chemicals into food even at high temperature heating. Non porous glass will not absorb stains or odors; Lunch bag is safe to wash in washing machine