Waterproof & Durable: The suitcase shell is made of ABS+PC material, which is sturdy and durable, offering excellent impact resistance and toughness, and can effectively withstand collisions and wear during travel. Cup Holder: The 20-inch carry-on suitcase features a sturdy water cup holder that securely holds your water bottle, preventing it from shaking or falling while you walk. Fashion Travel: Expandable duffel bag features a trolley sleeve with zippered pocket that easily attaches to the suitcase handle for added capacity. The high-gloss suitcase surface and gradient color design are stylish and eye-catching, making them easy to identify at baggage claim. Unique Two-Wheel Design: Suitcases with dual wheels are stable and flexible, push smoothly, and are comfortable and easy to control. Whether on bustling streets or in busy stations and airports, it can be easily maneuvered. Combination Lock: 3-Digit TSA combination lock helps keep your possessions safe and secure.The handle is made of high-quality materials, sturdy and durable, and can be flexibly adjusted according to your height, providing you with a comfortable grip experience. The suitcase shell is made of ABS+PC material, which is sturdy and durable, with better gloss and a finer surface, offering excellent impact resistance and toughness, and can effectively withstand collisions and wear during travel. The unique two-wheel design has excellent load-bearing capacity and impact resistance. Sturdy water cup holder frees up your hands, so you don't have to worry about where to place your bottle, enhancing the convenience and comfort of your journey. A weekender bag can easily hold all the odds and ends and keep your hands free. Size Reference: 20-inch carry-on 15.6 x 8.3 x 21.7", 5.62 lbs