Our barn quilts are hand painted on 1/8" polymetal. Polymetal is solid core plastic sandwiched by 2 sheets of aluminum for many years of indoor or outdoor beauty. This cow variable star barn quilt is hand painted in high gloss enamel paint using black, medium gray and white. If you desire different colors, please let us know. We can also do other sizes such as 2x2, 3x3, 4x4, 6x6 or 8x8.