Lightweight PC/ABS with micro diamond finish. The hard-flex construction offers maximum strength, durability and a water/scratch resistant finish; Push Button Locking internal retractable trolley system; Four spinner silent 360° wheels for effortless mobility Full interior fabric lining with zippered compartment on one side and snap-on elastic cross straps on the other for easy packing; 4 side studs allows the luggage to stand upright ; Top and side ergonomic gel handles for comfortable and easy lifting Smooth gliding zippers; Interior Measurements: 16.14"W x 10.23"D x 23.22"H; Exterior Measurements: 17.32"W x 10.23"D x 25.59"H