Features: Suitcase expands 2'' for additional extra space, 4 dual spinner 360° silent wheels for effortless mobility, Built-in 3 digit TSA approved combination lock, Top and side ergonomic GEL handles for comfortable and easy lifting, Push Button Locking internal retractable trolley system and Smooth gliding oversized zippers. Measures: 20 in = 15 in x 10 in x 22 in; 28 in = 19.5 in x 12 in x 30 in; 32 in = 21.5 in x 13 in x 34.5 in.