The material of the box is made of high-grade customized all aluminum magnesium alloy, which is lightweight and has high strength elongation, impact resistance, and resistance to impact and wear. The pull rod is made of lightweight all aluminum magnesium alloy forging, which can withstand high-strength collisions. It is lightweight, sturdy, durable, stable, rust proof, and corrosion-resistant. The side and top of the box are equipped with rebound handles, and it adopts ergonomic design, providing a comfortable grip and relieving hand fatigue. The box has a large capacity and can be stored separately inside, protecting privacy while fixing large items of clothing. The internal structure is optimized to meet long-term travel requirements. The box adopts a zipper free design, and the embedded TSA security customs lock is more anti-collision, avoiding the risk of breakage and loss of valuable items during travel, making transportation safer. The bottom of the box is equipped with newly upgraded universal silent wheels, which, on the basis of flexibility and smoothness, have upgraded the high-strength shock-absorbing and anti breaking functions, and have greatly improved durability, load-bearing capacity, and lifespan. Fashionable charm - an artistic journey of all aluminum magnesium alloy, derived from the rigorous polishing of all aluminum materials. [Environmental Protection] Technological innovation, striving for excellence Behind the quality lies not only responsibility, but also innovation in the postgraduate entrance examination. When traveling, it is inevitable to encounter rainy weather and wet clothes inside the box. We have conducted in-depth research and technological innovation, using environmentally friendly materials such as silicone sealing strips to effectively improve sealing and avoid opening and closing gaps.