Black/White Grow Sheet
Reduce Light Leakage
Black-White Extra Thick Sheeting is white reflective sheeting with a black layer to reduce light leakage to or from your grow space. Extra Thick sheeting is harder-wearing, reduces more light-leakage and is stronger than standard 85mu Black-White sheeting.
Dual layered Black White Grow Sheet. White to increase light in the grow area, black to reduce external light.