Our Vacuum Back Pack For Travel is made of high-quality material and features adjustable, padded shoulder straps. With its large capacity, this pack can safely protect items while also being designed to save space. Specification: Fabric: Waterproof film Lining: Polyester Size: Width about 30cm/11.81 inches Height about 45cm/17.72 inches Thickness about 20+8cm/7.87+3.15 inches Expandable space: about 8cm/3.15 inches Weight about: 1.43kg Size after flattening: about 45x30x7cm/17.72x11.81x2.76 inches The air pump is not included and needs to be equipped by yourself. Product List: 1* Travel Vacuum Backpack Notes: Due to the lighting effects and filming angles, there is a color difference in the product, please understand. Due to manual measurement, there is a tolerance in the product size. The actual product shall prevail, thank you!