Made of advanced recycled composite coated with ceramic coated quartz crystal. These ramps are extremely durable and will withstand all season weather. Provides an easy transition from 3 sides and can be installed on any surface. The surface is anti-slip, UV stable and gaurenteed not to crack or fade. Can be used for indoor and outdoor applications. Mildew, heat, water, rust resistant. Quick/easy install and maintenance free. Can be vertically cut for height adjustment and has no limitations on weight capacity.