【Large Capacity & Storage System & Antibacterial & Odor-Control Design】 This M-size suitcase (66 x 43 x 25cm) features an innovative storage system, combining large capacity with organization. The two main compartments are equipped with double-sided explosion-proof zippers, allowing for neat storage of 5-7 articles of clothing while preventing contents from scattering. Two transparent mesh pockets allow for organized storage of small items such as passports and chargers. 【High-Quality Aluminum Frame & 360° Silent Casters】 This suitcase uses a combination of lightweight, tear-resistant ABS resin and impact-resistant PC resin, along with a wide aluminum frame design, to create a sturdy and durable hard shell. It is resistant to impacts during transportation, ensuring safe use. The case body is also waterproof and stain-resistant, providing peace of mind even on rainy days. Specially designed silent casters reduce noise by approximately 30% compared to standard casters and rotate smoothly 360°, allowing for comfortable movement even in crowded airports and stations. It provides a quiet and comfortable travel experience, whether you're in a hurry on a business trip or carrying luggage for a family trip. 【3-Stage Adjustable Telescopic Handle & Convenient Hooks】 The ergonomic 3-stage adjustable telescopic handle allows for free height adjustment within a range of 65-110cm, making it ideal for users of various heights. Two hooks are equipped on the side, allowing for easy hanging of shopping bags, umbrellas, and other personal items, which is very convenient for duty-free shopping at the airport or traveling on rainy days. This user-friendly design frees up your hands, making your journey more comfortable and easier. 【Two Dial-Type TSA Locks】 This product is equipped with two TSA-approved dial locks, top and bottom, and the convenient dial design eliminates the worry of losing keys. The double anti-theft and explosion-proof structure securely protects your luggage, making it ideal for business travel. (Note: The keyhole on the body is for TSA inspection only, and a customer key is not included.) ※ External Dimensions: Height x Width x Depth ※ The displayed external dimensions include the handle, side feet, and casters ※ Internal dimensions are the actual usable size inside the case ※ There may be an error of approximately 1-2cm in the dimension notation. Please understand in advance.