World's only one-touch CX expansion increases packing capacity by 25% when you need more space. Simply press CX buttons and pull up sides to expand. Once ready, zip closed and push down to compress. Superior materials tested to the highest standards for a product that lasts a lifetime. Our lifetime guarantee repairs all functional aspects of every bag we make so you can travel with confidence. Remarkably durable and sustainable, our hardshell is made from high-strength recycled polycarbonate. Aircraft-grade aluminium telescoping handle with multiple stop heights. Built-in TSA-friendly combination lock secures contents, letting agents safely access your bag.