3 piece 20/24/28" luggage set: can be stored one into another，20" carry on luggage with front laptop pocket(size up to 15.6"), the size is 21.65*15.35*7.87in(55*39*20cm) Suitable for the overhead cabin, it is an airline size approved, such as: Delta Airlines, American Airlines, 7.78 pounds (3.4kg) in weight, 34L. 24" checked suitcase = 26*17.7*10.2" (66*43*26cm) = 7.82Ibs (3.6kg) = 65L. 28" checked suitcase =9.68*11.81*29.92in (50*30*76cm)=9.81Ibs(4.8kg)= 101L capacity. ABS+PC & Hard Shell: TydeCkare luggage is made of ABS+PC material, which is lightweight and easy to maneuver, and the strong and durable plastic shell makes this luggage well protect your items during travel. Better Lock Mechanism & Stronger YKK Zipper: The new upgraded TSA approved lock provides security protection, and it is easy to unlock with one-button rotation. Combined with the stronger YKK zipper, it provides better protection and smoother use. Tips: Initial password is 0-0-0. The keyhole is reserved just for customs inspection, not equipped with a key for anyone, only the customs has the key. Please refer to the manual or the detailed page for the detailed steps of password reset. Silent Spinner Wheel & Telescopic Handdle：4 silent spinner wheels, with soft TPU and lubricating balls inside, adapt to various grounds, and the 360° movement is very quiet and smooth. Adjustable telescopic handle, 3 levels of height adjustment, can meet the needs of different heights, and the smooth up and down design makes it more comfortable to carry. Multiple Compartments & Upgraded Lining: The thoughtful design for main compartment: 2 big compartments inside, one main compartment for everyday items, another privacy compartment for private items, a zippered mesh pocket for accessories and a separate wet and dry compartment. X-shaped elastic band to secure your clothes, but don't pull too hard in case the straps break. The lining is upgraded fabric, which is thick and not easy to break, durable and textured. TydeCkare 20/24/28 Inch Luggage Set， 20 inch with front laptop pocket carry on luggage, 24 inch and 28 inch checked luggage, which is made of ABS+PC material Hard shell fashion luggage, lightweight and easy to maneuver, The smooth and silent spinner wheels ensure easy rolling, while the telescopic handle provides added convenience and flexibility. In addition to the laptop compartment allowing easy access, the luggage set offers plenty of space for all your travel essentials, including clothes, shoes, toiletries, and more. The YKK zipper and TSA-approved lock ensure that your belongings stay secure, while the tough plastic shell and sturdier handle provide added durability and convenience. This luggage set is the perfect choice for anyone looking for a high-quality and functional travel solution.