These Wedding Table Number signs are made from 1/8" ACM ( Aluminum Composite Material) with a detachable stand. They are available in three sizes or can be made to a specific size. We can also customize the shape . Just send a request. ACM is a strong but light-weight material consisting of two sheets of pre-finished aluminum bonded to a polyethelene core which makes it perfect for indoor or outdoor use. It will not rust. Please contact us if you would like to order a custom size. shape or color.