Features: Multifunctional insulation backpack with high-density insulation material, can effectively keep food hot / cold. Using high-quality Oxford cloth fabric, scratch-resistant, with nice toughness, easy for cleaning, waterproof. Large capacity storage space, you can store snacks, bento, fruit, drinks, beer, etc. Lightweight and comfortable, ergonomic design, adjustable straps, easy to adjust to the right length. Wide application, it is perfect for camping, picnics, fishing, barbecues, hiking, travel, etc. Specifications: Color: Grey / Black / Blue(optional) Material: Oxford Cloth + Pearl Cotton + PEVA Item Size: 420 * 290 * 190mm/ 16.5 * 11.4 * 7.5in Package Size: 430 * 310 * 50mm/ 16.9 * 12.2 * 2.0in Package Weight: 450g/ 15.9oz Packing List: 1 * Backpack