Patented Off-Set Tru-Trac GT wheel system features multi-layer tire technology for dampening vibration, and a V-shaped design that provides stability and a smooth and responsive glide Fuzion zippers by YKK eliminate traditional weak points for long-lasting strength and durability 100% polycarbonate shell with geometric sculpting for structural integrity Hanging garment side with tri-fold suiter and room for folded items, flat-pack side with zippered lining with built-in pockets, including Wetpak for containing liquids or damp items.Durable Recyclex polyester lining woven from 100% post-consumer recycled plastic bottles, dyed with a water-sensitive Clean Chroma process International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.