Viedouce cooler bag, expandable insulated picnic bag for men and women, double compartments waterproof leakproof lunch bag with shoulder strap beer opener for outdoor camping travel (blue, 30L)

"Robust and thermal: The outer layer of the picnic bag is 900D high-density, matte, waterproof Oxford fabric; the middle layer is filled with 6 mm environmentally friendly pearl cotton; the innermost layer is a 25CC thickened waterproof EVA film. It can maintain the temperature and freshness of food (-15 ℃ ~ + 60 ℃) for more than 8 hours, sturdy and attractive design. Expandable double-layer design: Cooler bag is a double-layer structure, with the bottom layer capacity of 15 L, which can be used to store cold and hot food. The foldable top layer with zipper can expand the capacity to 6 L, where food or daily necessities can be stored at room temperature. The 21L insulated bag can hold all beers, snacks, fruits, and lunch boxes. Foldable, expandable, and large storage capacity: Multiple ways to carry cooler bags. Features detachable and adjustable shoulder straps with padded shoulder supports and double padded handles. The picnic bag comes with an extendable bottle opener on the side. The folded size of the thermal bag is 30 x 21 x 6 cm, which is easy to fold and store, saving 80% of your storage space. Versatility: The thermal bag is not only robust and durable but also lightweight and practical, with a maximum load capacity of 12 kg. You can take the cooler box on weekends for a picnic or outing, lunch and snacks at the office, a cold beer at the beach, and for shopping. Young mothers can also bring milk and baby clothes."