High Sierra Ultimate Access Carry-On Wheeled Backpack Meets airline carry-on size requirements with front day pack removed; It's three bags in one; Use it as a wheeled bag, a backpack or as a day pack Large main compartment with book-style opening and interior clothing hold-down straps; Hidden backpack straps are stored behind the zippered padded back panel on the main compartment Oversized, skate-style wheels are inset into corner-mounted wheel housings; Locking, telescoping handle is protected with zippered cover when not in use Removable front day pack, with zippered accessory pocket, dual side water bottle pockets, organizer and headphone access port, has a back strap to allow the pack to slip over the extended handle of the main bag Adjustable exterior compression straps help compress and secure gear; Adjustable tow strap to attach additional gear; Reflective piping for added safety