Thank you for viewing. [Color] Black [Size] S [Expansion Function for Flights & 3-Stage Adjustable Caliber] Designed for in-flight travel, business trips, and travel, this suitcase features a zipper-expandable structure. By expanding the gusset by approximately 5cm, the capacity increases by about 20%, providing peace of mind even if you acquire more luggage or souvenirs during your trip. The lightweight and durable aluminum alloy caliber can be adjusted in 3 stages with a single push, adapting to your height and usage scenario. [Dry and Wet Separation Storage, Hanging Storage, and Dust Cover Included] Equipped with a dry and wet separation bag to store wet and dry items separately. Inside, there are convenient pockets for temporarily storing small items, smartphones, documents, and tickets. A dust cover with a dustproof specification is included, which can be folded and stored when not in use. [Removable, Braked Double Casters] Durable double-wheel casters provide smooth 360-degree rotation for comfortable travel. The design suppresses vibrations and noise during travel, ensuring stable movement even on uneven surfaces. The brake function provides peace of mind on trains and slopes. The casters are removable, making cleaning, storage, and replacement easy. [Highly Durable Hard Body & YKK Zippers] The hard-type body combines ABS resin and PC (polycarbonate) resin, achieving both lightness and impact resistance. The main zipper uses reliable YKK zippers, ensuring long-term stable use. 27714503611