The lunch bag is used for outdoor picnic， barbecue， camping， etc.
8L capacity， enough space to put into your food
Insulated cotton + aluminum film made， strong warm keeping effect
With an USB interface， it can be used for charging to keep warm
Inner top mesh pouch design， convenient to put into your different food
Velcro design， more convenient to close the bag
Outside zipper bag can be put into your personal belongings