Thermos vacuum insulation technology keeps food hot for 5 hours or cold for 7 hours BPA-free Eastman Tritan top container has a 8 ounce capacity; Vacuum insulated stainless steel bottom container has 10 ounce capacity Each container has a locking stopper to prevent leaks and retain temperature Container hinges to open and locks when closed Integrated carrying handle for maximum portability Included are three (3) microwavable containers: 10-ounce capacity small container, 13.5-ounce capacity medium container, and a 20-ounce capacity large container.
