Insulated Food Jar,1.5L Thermal For Hot Food,2-Tier Stackable Bento Lunch Box,Le

??Vacuum Layer Design: Double Wall Thermal Insulation Technology Keeps Hot And Cold For Up To 8 Hours.No More Cold Lunch. No Microwave Or Fridge Necessary. For Better Effect, Please Pour Hot And Cold Water In The Storage Jar To Preheat Or Precool ...