● Long Time Fresh/ Heat time: about 2-3 hours,
cold time:frozen food or drink about 3-4 hours (with ice packs together for up to 6 hours)
● Insulated and Waterproof Lunch Cooler:Environmental shining Oxford cloth, waterproof aluminum film, Eco-friendly non-toxic transparent PVC,10cm thick insulation cotton.
Package List :Food Picnic Lunch Bags