Thermal Lunch Box, Bento Box Set With Lunch Bag And Cutlery

Leakproof and Portable Design: Each lunch box is equipped with a sealing silicone ring with double insulation design to lock in food freshness, leak-proof and odor- proof, so please don't lose them.The top of the lid is designed with a sealed air permeability valve and a hidden handle that allows hot air to be expelled to open the lunch box at any time for easy portability. Superior Temperature Insulation: The vacuum insulation and insulated bag provide up to 3-4 hours of warm retention. nearly twice as long as others. NO more cold lunch. NO more microwave. The vacuum insulation provides the right temperature to keep food stay warm. Premium Material: Interior and exterior are made from high-quality stainless steel. Lunch Bag is made of high quality Oxford cloth. it can not only enhance the insulation but also make it easier