20/28 2 Pieces Luggage Set Includes: 20 inch carry on luggage with front laptop pocket, 20"=21.65*9.05*13.97in(55*23*35.5cm) =7.49lbs(3.4Kg)=36L capacity, meets carry on size restrictions for 1-3days trips. and 28 inch checked luggage with Expandable Zipper, adding 15% to the scalable space, maximize packing capacity when needed, ideal for packing souvenirs on the return trip. 28inch=29.9x13x19.6in（70*32.5*48cm）=10.8Ibs=109L capacity, the ideal checked luggage for longer trips. Practical Interior & Brushed Pattern: Spacious fully lined interior features a zipper divider and multiple zipper pockets for optimal packing. Main compartment has elastic cross straps to secure clothing, closed zip pocket for privacy. Unique custom design, gorgeous outlook with black brushed pattern. It shows a high-grade metal texture under the sunlight, giving you high-end visual and tactile. Brushed finishing shells hide any potential scratches or scuffs from your trips. TSA Lock & YKK Zipper: 20" carry on luggage is top-mounted double control TSA Lock with one 3-digit combination. One Lock controls the front compartment and the other controls the main compartment. The 28" is side mounted TSA lock and single control. No keys required. the code for new luggage is 0-0-0, please refer to the manual or details page for the reset password steps. Smooth and sturdy YKK zipper reverse coil prevents burst zipper, zippers are not easy to be pierced by sharp tools. Spinner Wheels & Smooth Trolley: Made from a lightweight ABS+PC hardshell material, this suitcase is easy to carry and built to last. luggage adapts to various ground and moves very silently and smoothly in 360° with excellent maneuverability. The spinner silent wheels and smooth trolley provide effortless maneuverability, making it easy to navigate through crowded airports or busy streets The ergonomic 3-step telescoping Trolley can be adjusted to any height you want. Tips Before Purchaing: Carry-on bags are convenient for air travel because you won’t need to check them when you fly. For domestic flights on major carriers, your carry-on can’t be larger than 22x14x9 inches. Any suitcase larger than carry-on size must be checked. From zippers and compartments to locks and expandability, these are some of the most important features to consider when buying luggage. A YKK zipper is widely believed in the industry to be the most reliable zipper on the market.