Details With its striking design, Opto PC 2 offers modern features and elegant styling for a dynamic spin on a classic style. Made of lightweight and durable polycarbonate, the large sized spinner offers robust protection, spacious packing capacity, and 1.5inch expansion to pack extra clothing or mementos from your trip. * Interior: Elastic tie-down straps, mesh zippered compartment, zippered lining pocket * Exterior: Durable twill-textured polycarbonate shell, TSA- compliant lock * Handles: Multi-stop pull handle, retracting top and side carry handles * Wheels: Double spinner wheels * Expansion: 1.5^ Specifications Item #131422D320 Size Medium Checked Overall Dimensions 27.8inch 18inch 11.5inch Internal Dimensions 24inch 16.5inch 10.5inch Linear Dimensions 57.3inch 1inch = 2.54cm Weight 9.6 lbs Material * Polycarbonate Material Definition Shell material is made of vacuum formed polycarbonate, a highly impact-resistant plastic that is strong and lightweight. TSA LockYes ExpandableYes Classic Navy