Monbento 3760192683173 MB Original Bento Lunch Box, Coral Floral Made from pbt, a high quality plastic known for its durability, the mb Original will go with you on all your adventures. Its robustness will prove a loyal companion to your outdoors eating! Consists of four hermetic compartments which two are for freezing water and two for versatile uses Different compartments made of polybutylene terephthalate better known as thermoplastic and polypropylene Dishwasher and microwave safe; freezer and hermetic 1L capacity