The Helium X'Pert Lite 28" Trolley Duffel from Delsey. Constructed of Twisted Nylon Dobby material and backed with Vapor Barrier for long lasting use. The highest level of security and protection is achieved through the exclusive Zip SecuriTech. (Patent Pending) 4x twin spinner wheels with 360-degree rotation assure multi directional rolling and optimal stability. Fully integrated lightweight fiberglass frame. TSA Accepted Lock. Recessed extra long locking trolley handle made of aircraft grade aluminum with one button operation for ease of use. 4 twin wheels for ease of mobility, stability and maneuverability. Concealed Add-a- Bag strap with adjustable webbing allows additional bags to be carried effortlessly. Reinforced corners and kickplate offer additional protection against wear. Expands up to 2.5" for additional packing space. Imported.