This is the high-end Canvas cloth acoustically enhanced Convertible Top with heated glass window for the 2005-2014 Mustang, Cobra or GT500. Fastens to the original headliner. Canvas Cloth was an original topping material for the Mustang Cobra. The topping material is a three-ply canvas made of an acrylic twill weave outer fabric, a rubber inner layer and a polyester lining fabric. Includes sewn in weather seal and mini headliner for stability. The window is bonded using an advanced window bonding system that eliminates the need for unsightly stitching, piping or heat seal press marks caused by other window bonding methods such as heat sealing or silicone bonding. The window bond has a Lifetime Guarantee. Interior of window has vinyl lining with die-cut rear bow retainer. After the new convertible top has been fitted to your car, you will find the resulting product appearance and quality indistinguishable from a brand new original top. And, with this upgraded material choice you will actually see and experience a significant improvement to the look and quality of your Mustang.