Coasters present a unique and usable fine art product! Coasters preserve art prints in a fully acid-free, moisture resistant, and UV-protected finish from front to back. A complimentary fine art satin DuraPlaq® print is mounted in a fully acid-free manner to DuraPlaq®’s exclusive eco-conscious 3/8” premium wood product coated front and back with an acid-free surface. This product has a set size of approximately 4” x 4” with black beveled edge and standardized velvet finish for maximum durability. The black backside creates a fully presentable and finished sleek presentation from front to back. These are great for home or office and make great gifts.