August 2, 2016 By Ultra Black Border – 3.78L Ultra Black is a non-reflective Black Border Goo for trimming your screen and to absorb any overlapping light from your projector. Category: Classic Screen Goo Description Description Price: $253 SIZE – 3.78L SKU – 4608 Related products Ultra Max Contrast 16L Finish Coat Reference White +20, 500mL Finish Coat High Contrast +20 16L Finish Coat Max Contrast +20 16L Finish Coat