Outdoor picnic camping spring outing foldable easy to store aluminum foil heat preservation cold portable waterproof picnic bag

[Capacity reference] 15 bottles of 500ml mineral water, the outer layer is 600D Oxford cloth., 【High-quality materials】Thickened outer layer of Oxford cloth, polymer insulation pearl cotton, thickened aluminum film layer, three-layer composite. The thermal insulation effect is better, the heat loss is reduced, and the thermal insulation effect, [Dirty and wear-resistant] 600D Oxford cloth, durable, non-sticky, healthy and odor-free. Thickened aluminum film, thickened fabric, waterproof and anti-fouling, just wipe clean.