Roll top closure provides easy access to internal storage space. Heavy-duty construction includes bar tack reinforcements. Front and back pockets with rain-proof YKK zippers for personal belongings. External webbing sleeve enables the bag to be slid over a double-bar roller bag system. Dimensions (approximate): 11x5.5x24.4in/28x14x62cm. Weight: 1.5lbs/0.674kg. Volume: 6.3gal/24L The new Definition Pack 24 is a modern backpack designed for everyday use. The bag features a roll top closure with an internal padded pocket for storing a tablet or laptop, along with an extra zippered pocket on the front. Another zippered pocket in the back is ideal to carry and protect wallet / passport and other important documents. Backpack straps plus a web waist belt make transport comfortable and easy. A top carry handle is provided as well.