Poly-Rubber Blanks are plain Mud Flaps and make convenient replacements for your older, weather-worn ones. Perfect for customers whose goal isn’t branding or trademark recognition. Available in 3 sizes (24in x 24in, 24in x 30in, 24in x 36in), with optional angled cuts or rounded corners, Poly-Rubber Blanks are the ideal product for frugal shoppers. Not 100% rubber (poly-rubber blend).