Combined with luxury aluminum frame and 100% Germany Bayer PC material, features brushed finishing and grinding process, providing long-lasting usage and shining appearance, It also eliminates the trouble of the protective film can't be peeled off thoroughly. The bidirectional deep frame TSA locking system for security and peace of mind. Four tough aluminum corner guards offer extra protection for the luggage. Fully lined, the luggage protects stored items from scratches and snags, while its handy divider helps keep everything neatly separated. An adjustable 3-step aluminum telescoping handle makes it sturdier and lightweight, which also maintain elegance during usage. High-quality aircraft wheels can be rotated on any solid ground easily. Worldwide exclusive 3 year warranty.Please note only the frame is aluminium, the main body of thee luggage is made of 100% Germany Bayer PC material.