August 2, 2016 By Ultra Black Border – 500mL 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: $44 SIZE – 500mL SKU – 4605 Related products Max Contrast 16L Finish Coat Reference White 2L Pair High Contrast +20 16L Finish Coat High Contrast 500mL Finish Coat