The coaster is made of recycled, eco-friendly, premium wood coated front to back to be acid-free, UV-protected and moisture resistant for ultimate protection and longevity. A fine art satin print is mounted in a fully acid-free manner. The coaster has a velvet finish for maximum durability. The size of the coaster is 4” x 4” x 3/8” with a 3/16”, black, beveled edge. The coaster is enclosed in a clear, archival, plastic sleeve for added protection.