3-Piece Set Includes: 20" Expandable Carry On, 24" Checked-in and 28" Checked-in Luggage, which can perfectly meets your different traveling plans, and is very suitable for family trips Expandable 20 Inch Luggage: Providing an additional 16% capacity, leaves you much space to put into more items Lightweight yet Sturdy: Made of quality PC+ABS materials, designed with a 3-layer micro-diamond textured surface which provides outstanding durability 8 Rubber-Covered 360-Degree Spinner Wheels: Crafted with a smooth and ergonomic aluminum telescoping handle for effortless mobility TSA Combination Lock: Provides excellent security throughout all your travels INCLUDING SIZES: 20” EXT Carry On - 21.6 x 14.6 x 9.4 inches, 24” Checked Medium - 26.8 x 18.5 x 10.6 inches, 28” Checked Large - 30.7 x 20.5 x 11.8 inches