CALPAK Champ Black 21-inch Carry On Rolling Upright Duffel Bag Large Main Compartment Inline Skate Ball-Bearing Wheels Detachable Non-Slip Shoulder Strap Self-Locking Retractable Handle System FrontandSide Accessory Pockets The dimensions are 20x12x12 when measuring from the base and 21x13x13 when stuffed.