Customer Service: GinzaTravel's suitcases have a two-year global warranty. If you encounter any product problems, please feel free to contact us by email. We will provide a new suitcase for free within two years, so you won't waste money. Material: ABS+PC, sturdy and scratch-resistant; Lining style: internal mesh zipper pocket and X-shaped shoulder strap; Universal wheel: smooth as butter. Size attributes: Expandable: The cabinet volume can be expanded. After expansion, the luggage volume will increase by 15-25%. 20 inches (standard size carry-on suitcase); 25 inches = 16.9 inches * 11.4 inches * 25.6 inches (64L); 29 inches = 19.7 inches * 12.6 inches * 29.9 inches (95L); TSA combination lock: international travel standard; protect the journey more safely; GinzaTravel's three-piece suitcase set is equipped with a TSA lock. Affordable choice for honeymoon and family travel gifts, suitable for family and business travel; short-term travel, long-term trave PRIMICIA GinzaTravel Luggage Sets 3-Piece Expandable Suitcases with Wheels PC+ABS Durable Hardside Luggage sets TSA lock