Brand New SFC/CRL Sunroof Black Neutral Cure Automotive Sealant. Also Seals Van Windows, Sunroofs, Roof Vents. If your sunroof is leaking and you don't want to replace the sunroof, this is a low cost fix. *** Please note, Once applied your sunroof will not open or close, the sunroof will become a fixed overhead window. It stops leaks while cushioning the glass against shock and vibration as well. We offer a full money back guarantee if you are not satisfied with your purchase.  Please contact  us with any questions that you may have.