Ronts Men's PU Leather Briefcase 15.6 inch Laptop Black Flapover Messenger Bag MATERIALS:  Exterior: high quality PU Leather; Interior: cotton polyester. Durable and tough FEATURES:  COMFORT -- Business handbag, messenger briefcase with a top handle, plus a adjustable padded and detachable shoulder strap, very comfortable while carrying;  SAFETY -- Reliable hardware, push Latch lock closure and attached with a key, which keep your documents/ other inner stuff in safe;  LARGE CAPACITY -- Room for Laptop up to 15.6 inch;  DIMENSION -- Length: 16.5 inch/ 41.5 cm; Width: 4 inch/10 cm; Height: 13 inch/ 32.5 cm; Net weight: 3.2 pounds STRUCTURES:  Flap-over opening that keeps shape and allows convenient access;  Three main separate compartments with 1 large zipper compartment, 1 inner zipper pocket and 1 large zipper compartment on the back, more functional and convenient to organize your stuff;  Small pocket for smart-phone, usb corbs, cards and pens, etc DAILY CARE:  Proper maintenance is required and can keep it last longer  If it get dirty, please clean it with water (&lt; 40) and dry it in ventilated place;  If it get wet, please dry it with a soft cloth;  Do not bask it in sunshine ATTENTION:  Ronts is an US registered trademark, unauthorized sale without permission, we will investigated for legal responsibility. Please pay attention to avoid purchasing counterfeits from other sellers