The Downtown 2 Plus is a reliable companion for your commute through the morning or evening rush hour. The durable, waterproof, dustproof, abrasion-resistant and high quality Cordura fabric ensures optimal protection for your files, documents, and laptops up to 15.4". A hands-free way to carry your everyday digital and off-line essentials, this bike briefcase with lid closure can be quickly mounted and taken off either side of the rack with just one hand using Ortlieb's 3.1 mounting system that offers an even easier, quicker, and more streamlined mounting system than Ortlieb's 2.1 system. It features an extra wide padded shoulder strap and additional carry handle for comfortable off-bike transport. Edge protectors and base feet on the rear and bottom ensure durability. Two large 3M Scotchlite reflectors and a reflective ORTLIEB logo and handle increase visibility in low-light conditions.