Thank you for viewing! [Expansion Function for Flights & 3-Stage Adjustable Handle] Designed with air travel, business trips, and travel in mind, this suitcase features a zipper-expandable structure. By expanding the width 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 handle can be adjusted to three stages with a single push, allowing you to adjust the height to suit 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, tickets, etc. A dust cover with dustproof specifications is included, which can be folded and stored when not in use. [Removable Double Casters with Brakes] Durable double-wheel casters are used, providing smooth 360-degree rotation for comfortable travel. The design suppresses vibrations and noise during travel, allowing for 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. [TSA Dial Lock Equipped] Equipped with a TSA dial lock for peace of mind when traveling abroad. Airport inspections are possible while the lock is engaged.