Alvas Matlay Dance Floor Matlay Dance Flooring (also commonly called marley flooring) is double-sided, lightweight and has a non-skid matte finish. This is a universal vinyl dance floor suitable for all forms of dance (use as a tap floor, ballet floor, ballroom dance floor, modern dance, jazz, etc.). Available in Gray/Black (gray on one side, black on the other side) or White/Black (white on one side, black on the other side). Reversible. Weight: Approx. 0.33 lbs/sf. (120 lbs. for each 6'x60' roll) Thickness: 0.04 inches (1 mm) Made of PVC Dance Vinyl (most popular type sold internationally)