Lojel Groove Frame Large 100% Virgin Pure Makrolon Polycarbonate Imported 21.7" high 13" wide 100% Virgin Pure Makrolon Polycarbonate This lightweight spinner features an aircraft grade aluminum frame for those who prefer that extra protection. The Lojel Groove Frame also offers smooth and effortless movement with its 3-stage trolley and quiet running removable wheels system developed by renowned Japanese Hinomoto. A TSA-certified lock is flush mounted to the travel case which provides security for your belongings throughout the airport handling process. High end light weight interior lining is made from best quality polyester, providing a soft protection and is velcroed to the shell to stay optimally organized.