please do not drive or park on grass sign 10 x 7 .04 inch aluminum sign rust free aluminum uv printed reflective easy to mount icobuty icobuty signs are manufactured with the highest quality. they are printed with high-resolution machinery. they can be fast and easily installed with predrilled holes. this sign thick is 0.04 inch and made of no rust heavy-duty aluminum. you can be mounted the sign with screws or nails. round corner for easier handling. they are waterproof and reflective.