Peak Design 45 Liter carryon expandable black backpack designed for daily use, camera packing and travel. Can be converted to camera travel. Durable 400D versa shell nylon fabric with multiple attachment points for organized carryon. Sleek and minimalist design. Comfortable backpack straps that stow away for briefcase and streamlined silhouette. Back slot slips over rollaboard handles for ease in the airport. Multiple access points and tons of storage. Neutral black finish pairs easily with any outfit. Rain cover included. 22x16x8 expands to 45L or use snaps to tighten down to 35L. Very good condition. All zippers work. Great bag for carryon. Works well with packing cubes. Non smoking household.