These large velvet, or flocked, posters provide great coloring guides for artists of all ages. The black flock gives incredible contrast to your colors and helps the design come to life. Coming in at just under 16x20, the posters are made with super-fine black flock. The materials can take any sort of coloring you're willing to throw at it. From darker inks or even crayons, these posters are perfect for artists of all ages who love to color. Cool colors? Warm colors? You get the best of both worlds with this lunar/solar duo! The sky is the limit in coloring this unique space-themed design.