Quiet airplane spinner wheels and an adjustable 3-level 100%pure aluminum telescoping handle allow you to quickly maneuver in tight spaces and it's sturdier than most of the telescoping handle on the market. The unique shaped multi-directional 360°silent wheels will not make any noise when being rotated and it's more durable in structure.TSA lock which allows only TSA agents to inspect your bags without damaging the lock. Boxes, some charges may apply to this locations. Thank You for your understanding. Our goal is to ensure a happy shopping experience with us. Thank you so much to consider time difference, maybe we couldn't not reply to you in a timely manner.