This 20l capacity cooler is good for camping and fishing or any other activities. Lift up both wings and it becomes a table. The legs are electro-plated metal tubes. PFW-12000 is a cooler with chairs but PFW-12000 W/O chairs. The chairs can hold 155kgs. The effectiveness of the cooler can be 14hours in keeping cool if you put 1kg ice inside. The chairs and legs can be stored on the back of the wings(table) and store this cooler up(The size is 47 x 29 x 37cm only). This cooler can store 350cc can x 30ps, 500cc x 20ps + 350cc x 2ps, or 1.5l x 5ps + 2.0l x 4ps. We have patents in Taiwan, Germany, and USA for this item.