Samsonite Sirocco Two-Piece Durable Hardside Spinner Set (Spinner 20/Spinner 28), Black, One Size Carry-on Spinner measures 19.5" x 14" x 9" Larger Spinner measures 28" x 20" x 13" Mounted TSA Approved lock on larger checked piece Corrugated design maximizes shell strength Effortless 360 degree spinner wheels let you move with ease Push-button, telescoping top handle that allows you to roll the bag easily and comfortably Expandable