Materia type: Borosilicate Glass; No. of containers: 3; Capacity of containers: 3 Containers: 400ml Each; Contents include: 3 Containers (400 Ml 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 350c ; 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 Warranty: 2 years on product for manufacturing defect ; Retains perfect clarity, unlike regular soda lime glass, will not turn cloudy with repeated usage