0.04 Aluminum signs are the longest lasting type of real estate yard sign. It is very durable and guaranteed to last for a minimum of 5 years and will not rust. Features: • Available sizes 12″x18″, 18” x 24”, and 24” x 36” • Digitally printed at 720 x 720 resolution • Double side printing is available • Indoor and outdoor use, waterproof and UV safe