The 3 in 1 Harken Rolling Carry On is a backpack, wheeled bag, and a handy carry on all in the same smart pack.

Features
Detachable daypack with laptop sleeve and S-shaped shoulder straps
Padded backpack straps stow behind main compartment's zippered back panel
Zipered accessory pocket, two water-bottle pickets, and a back strap allow pack to slip over the main bag's extended handle
Quick-clip buckle at top of removable daypack attaches to main bag
Stash pockets with coated water-resistant zippers on the daypack and main compartment
Oversized, durable wheels on both daypack and main bag
Telescoping, locking handle
Ergonomic Sure-Grip handle with mesh padding wicks moisture
Integrated luggage ID-tag holder