NASA Worm Logo - Whitby Slim Computer Backpack With USB Port for 15'' Computer. Portgives you everything you need, but in a sleeker, slimmer silhouette. This backpack features a sideUSB port with cable, custom printed lining and a side water bottle pocket. Add-ons like a premiumvinyl lash tab, padded 15'' laptop sleeve and zippered front pocket make this backpack perfect forevery day. Carry with ease with the padded back.