Space Bag from IAMRUNBOX is an accessory that can be combined with BackPack Pro 2.0. Attach it to the outside of your Backpack Pro 2.0 or other bags for extra space.\n\nSpace Bag helps you keep your backpack clean by storing your shoes, clothes or other items separately from the rest of your belongings.Space Bag has ventilating properties, which means that damp or sweaty shoes / clothes are excellent to have in Space Bag so that the rest of your belongings are not affected.Expandable volume: 2-12LDimensions: 42x22 cm IAMRUNBOX Space Bag Black | Buy IAMRUNBOX Space Bag Black here | Outnorth