"This durable Ironton polyurethane wheel chock is strong, yet lightweight. Sold individually. Includes qty. 1, Material Polyurethane, Working Width in. 7, Length in. 10, Height in. 4.5, Reflective No. Built-in safety tread provides a better grip and reduces tire slippage High-visibility orange color is easy for the driver to spot 10in. L x 7in. W x 4.5in. H"