PRODUCT DETAILS The Tumi Celina backpack is spacious and has a metallic sheen, matte black accents and padded adjustable backpack straps with D-ring and loop compatible with select TUMI+ accessories. It has a double-zip entry to the main compartment and a zip entry to padded laptop compartment that fits up to a 15 PC or 16 MacBook screen. It features a leather top handle, front U-zip pocket, 2 front zip pockets, zip pocket, 2 media pockets, leather card pocket, side zip pocket, and side double-zip water-resistant water bottle pocket. An open pocket, leather pen loop, key leash, dual adjustable shoulder straps, quick-access phone pocket, monogrammable detachable leather charm and an Add-a-Bag strap are also present. The Tumi Tracer program helps you reunite with your lost or stolen items. The main material is nylon and the lining is polyester. The size restrictions vary among airlines, please check with your airline for carry-on luggage size restrictions. The measurements are: Bottom Width: 10 3⁄5 in Depth: 6 1⁄2 in Height: 16 in. This is a backpack and a laptop bag. Material Main: Nylon; Lining: Polyester Brand Tumi Color Multi