I am selling this item because I no longer plan to use it. I have only used it once, and it looks almost new. ◇ Rectangular shape, convenient for storage in a car, etc. ◇ Foldable for compact storage. ◇ Comes with a detachable and adjustable shoulder strap. ◇ Features a front pocket for storing small items, adding to its storage capacity. ◇ The side buckles can be undone to transform it into a tote bag shape, allowing for the storage of tall items. ◇ The internal insulation is made of 1.9cm thick, high-density, closed-cell foam. It also serves to cushion against external impacts. ◇ The unique 5-layer construction maximizes cooling efficiency, allowing ice to be maintained at 49 degrees Celsius for 24 hours, depending on the size. ◇ Seamless construction. High-quality welded TPU liner prevents water leakage from the inside. Prevents cold air from escaping, enhancing cooling power. ■ Color: Black (BK) ■ Materials: Nylon, Polyethylene, Polyester, Thermoplastic Polyurethane, Polyurethane ■ Size: 53 x 30 x 25cm ■ Weight: 1630g ■ Capacity: 34L ■ Country of Origin: China ■ Manufacturer Model Number: AO36BK Popular brand/series: Canvas