Used only once. Practically new. Travel Bag Style Backpack Gear Capacity (L): 46 liters Gear Capacity (cu. in.): 2,807 cubic inches Number of Exterior Pockets: 3 + Laptop Compartment: Yes Fits Laptop Size (in.): 15 inches iPad / Tablet Compartment: Yes Carry-On: Yes Material(s): Recycled 500-denier nylon packcloth (bluesign® approved) accent: 420-denier recycled robic nylon packcloth (bluesign® approved) Frame Material: HDPE framesheet Dimensions 21.5 x 14 x 9 inches Weight 3 lbs. 4.2 oz. -U-shaped zipper provides full-panel access to main compartment -PFC-free durable water repellent (DWR) finish sheds moisture and stains -Padded sidewalls create a bucket-style opening and provide protection for valuables inside -Lockable zippers on main and laptop compartments keep your items secure -Zippered top pocket provides easy access to toiletries and liquids -Front panel vertical zippered pocket is perfect for stashing your books, travel documents and more; front panel organizational features include a zippered pocket and key clip -Protected, laptop sleeve in rear panel with lockable zipper can store your 15 in. laptop-StraightJacket compression with padded sidewalls effectively secures any size load-Dual internal compression straps with fabric wings keep clothes neat -Dual internal zippered side pockets help you organize your essentials-Padded luggage handle, pass-through top and side grab handles -Stowaway harness and hipbelt help you carry heavy loads in comfort -Attachment loops make it easy to attach a Daylite day pack (not included)-Tuckaway web loops let you attach a shoulder strap (not included) -Using recycled materials keeps waste out of landfills and reduces the need for new materials -This item meets carry-on size restrictions for most airlines (size not to exceed 45 linear inches when adding L+W+H); this is subject to change, so check with your airline