The Basecoat greatly enhances the performance of the Screen Goo Coatings. Screen Goo Digital Grey Lite Basecoat 2.3 L (#4745) 4745US$79.99 Screen Goo Digital Grey Lite Topcoat - 2.3 L (#4601) Screen Goo Digital Grey Lite Topcoat - 2.3 L (#4601) 4601US$299.99 Home Theater Screen