The BK-2AUDOR with wheels has a lightweight, padded rigid frame and a comfortable strap system with thick padding and breathable mesh lining to maximize air-flow.The case has a padded pocket that will hold a 17" laptop computer and 2 accessory pockets perfect for spare batteries and cables. It includes a 6"x9" padded accessory pouch, a set of 6" Piggin' Strings, and a strong rigid divder for extra support of heavy audio equipment. The backpack has extra foam padding and non-slip material on the shoulder, removable waist straps, and padded side support straps. A LI-GLW illumination strip light pocket is included.