This black 30-32 inch Tread Lightly! tire cover from Rugged Ridge protects your spare tire and shows your support for Tread Lightly! Show your support for Tread Lightly with great new branded vinyl Tire Covers from Rugged Ridge. Custom designed to fit today’s most popular sized tires. Constructed of durable vinyl coated polyester fabric. Please measure tire diameter to ensure proper fitment. A portion of the proceeds from each sale go to support Tread Lightly and its mission to promote responsible outdoor recreation through ethics education and stewardship programs.