Commemorate old Pontiac Silverdome with this retro metal highway sign. Available in various sizes, it comes with pre-drilled holes for easy hanging. The Pontiac Silverdome (also known as the Silverdome) was a stadium in Pontiac, Michigan. It opened in 1975 and sat on 199 acres of land. When the stadium opened, it featured a fiberglass fabric roof held up by air pressure, the first use of the architectural technique in a major athletic facility Dimensions: 12" x 8", 16" x 12", or 18" x 12" Material: aluminum High-definition picture, reflective, waterproof, dustproof, sunscreen, flame retardant, can be used all year round, can be punched through for your design. Super lightweight but resilient, these prints are perfect for easy hanging.