Evergreen 1.6 Ft. X 1.6 Ft. Glue up Foam Ceiling Tile in Plain White (21.6 Sq. F
It can be glued over most stable ceiling surfaces including popcorn ceilings and painted to your likeness. The tiles are made from extruded polystyrene. The size is 19-5/8 in. Depth of the design is 5/16 in.