Constructed of polycarbonate. Four dual wheel spinners provide added control with a smoother glide. Push button retractable lightweight aluminum handle system. Interior hanging zipper pocket and dual buckle tie-belts. Premium built-in TSA lock system. Additional mesh zipper pocket

• Dimensions for 21 Airline Carry-On:21 x 16 x 10
• Capacity for 21 Airline Carry-On:3400 cu.in.
• Dimensions for 25 Vertical Rolling Case: 25 x 18 x 11
• Capacity for 25 Vertical Rolling Case: 5000 cu.in.
• Dimensions for 29 Super Rolling Case: 29 x 20 x 12. Capacity for 29 Super Rolling Case: 7000 cu.in