Shatex Fiberglass Screen Kit, Fiberglass Door Window Screen with Spline and Install Tool, 36"x84" Fiberglass mesh screen, will not crease, dent or unravel,Charcoal Holds to weather elements, long time preformance Easy to install and care, ideal material to make, replace and repair door window and other screen Kit includes 36"x84" screen, 27.5" Spline, and 1 install tool Charcoal Black Color, Come in roll, and can cut into custom size, Mesh Hole size 1mmx1mm, about 625holes/sq.inch, keep mosquito and tiny bugs out while allow air go through