Thank you for viewing! ❁ ☻ Brand new, unused! ☻ Immediate purchase and purchase without comments are welcome! ☻ If you are in a hurry, please consult with us regarding the shipping date! [Expandable Functionality for Flights & 3-Stage Adjustable Caliber] Designed with air travel, business trips, and travel in mind, 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 to three stages with a single push, adapting to your height and usage scenarios. [Wet/Dry Separation Storage, Hanging Storage, and Dust Cover Included] Equipped with a wet/dry 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, Double Casters with Brakes] 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. With the brake function, you can travel with peace of mind on trains or 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 stable use for a long time.