Yes, we have signs made of aluminum metal which are 63 mil thick. These 12-inch x 12-inch metal signs outlast most plastic signs and look brighter too. We also have Z-Signs for the ceiling which are made 35 mil thick. We have a “One In One Out” Social Distancing Bathroom Sign available in 40 mil aluminum. Another option is our 20 mil thick Anodized aluminum bathroom sign.