This is made from Haartz Stayfast cloth convertible for the Boxster as a lower cost alternative to the original. This is the best option for reducing the cost of a new convertible top. It includes new heavy gauge press polish window for superior visibility and longest life and is manufactured to the same high quality standards. This convertible top has all of the original factory-style retainer attachments sewn-in for an easier and more accurate installation. No sewing is required to install this to your vehicle.