It works as a backpack or bag with a detachable strap. Water-repellent UA Storm technology keeps your belongings dry. The LEVELED strap system will guide you to ensure that the straps adjust evenly for balanced weight distribution. Large main compartment with internal organization for carrying your laptop, valuables and other items. Soft-lined laptop sleeve - holds up to a 15" MacBook Pro or similarly sized laptop. Inner pocket for linen/shoes located at the bottom. A pocket for a water bottle and 2 outer pockets for valuables. Attachment point to which you can attach any bag with a carabiner for easy transport. Top handle. Dimensions in full condition: 40cm W x 28cm H x 55cm L. Volume: 40 litres