The sympatico essential carry-on expandable spinner is the perfect size for US travel. Don't sacrifice space for style, this suitcase expands for 25% more space and then compress back to original size. Superior materials tested to the highest standards for a product that lasts a lifetime. This essential carry-on features reliable, smooth zipper performance with self-repairing zippers, solid, high-density wheels offer superb smooth rolling, adjustable garment compression panels with speed buckles keep clothing flat, minimizing wrinkling, prevent contents from shifting in transit, and TSA-friendly combination lock secures contents.