【Material】: This lunch bag is made of 3 layer material, the outside layer is thick oxford fabric, the middle layer is 3mm thick Insulation EPE foam, the inside layer is aluminum foil.
【Long Time Insulation】: Not thickened lunch bag could keep food cool or warm for more than 3 hours.
【Perfect Size】: The lunch bag size is 7.8 inch length, 7.8 inch height, 5.1 inch wide.
【Easy to Clean】: The bag lining is waterproof and easy to clean stain.
【Reusable and Durable】: The thickened material lunch bag could reusable use for years and the zipper is heavy duty metal.