... available 8L Cooler box : 8L Cooler box High-efficient Thermal Insulation ,Firm Environmental Box Structure Made of PU insulation materials with the best ... materials on the layer ,safe and environmental. 8L Cooler box features: 1.Product insurable cold/hot than 12 hours ... drinks in automobile use. 8L Cooler box Applicable scope:1 outdoor activities: is outing, camping, fishing , when the long-distance ...