Duraliton Neptune 8 Wheel 3 Piece Set with TSA Lock Poseidon. Travel with style and confidence with this 3 piece set from it luggage! With its ultra-durable hardshell exterior and built-in TSA lock you can rest assured your belongings are safe and secure. Each case features 8 wheels for 360 degree maneuverability, a telescoping top handle and top and side easy-grab handles. The Large Checked and Carry On cases feature an expander for up to 25 percent extra packing capacity. The Medium Checked case features a double expander for up to 50 percent extra packing space! So you won’t have to worry about leaving that extra outfit behind! Each case is complete with a fully lined interior with 2 separate packing compartments to keep your belongings organized and in place. This set is a must-have for your next getaway!