High Sierra Wheeled Backpack, Black It's three bags in one Use it as a wheeled bag, as a backpack or as a day pack Special built-in, high-density foam structure helps maintain the bag's shape. Main compartment has book-style opening, interior clothing hold-down straps Removable front day pack with zippered accessory pocket QUICK-CLIP buckle at the top of the removable day pack allows quick attachment to the main bag Removable day pack organizer has zippered mesh pocket Recessed, telescoping aircraft aluminum handle system with locking mechanism Inline skate-style wheels Materials: 1680 Denier Duraweave, Metallic Mini-Weave, 900 Denier Duralite Size: 22 x 14 x 8 in / 56 x 355 x 203 cm