· Roppe Slate Design 991 Series Periwinkle offered at $7.37 S / FT · covers 43.000 per S / FT · contains 16.000 per Box · measures 19.690 Inch in length · measures 19.690 Inch in width · is 0.125 Inch thick · weighs 42.000 lbs · in the Blue color family · composed of R