Lojel Groove Zipper Large Spinner Luggage, Yellow, One Size Lojel Groove Zipper is made with pure Bayer Makrolon Polycarbonate reinforced with Lojel's patented material to achieve super strength while allowing it to remain ultra-light. This durable construction is also extremely flexible, giving the outer shell a nearly puncture-proof quality. This lightweight spinner with safe and strong burst-free double coil zippers prevents it from breaking open when heavy loaded and from theft. Groove Zipper 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. This stylish piece from Lojel comes in 3 colors to pick from so you can get your groove on! 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.