TUMI - Tegra Lite Max Continental Expandable 4 Wheeled Carry-On Luggage - 22 In BUY BOTH AND SAVE Expandable, accessible and effortless: this Tegra-Lite Max case is the most durable and fully functional hardside case made today. It is expandable and features a spacious, accessible front pocket, plus it moves effortlessly in every direction on our double turning wheels. Tegra-Lite is constructed from Tegris, a revolutionary polypropylene thermoplastic composite material created by Milliken for us