Adult Coloring Books Bloom'n Critters 2 - Includes FREE PDF version and Color Guide Life Escapes Adult Coloring Books 48 Grayscale Coloring Pages of Cute Animals with Flowers Pages are printed on one side, size 8.5x11 in. Feel free to use any or all your favorite coloring tools, such as colored pencils, gel pens, brush-tip markers, chalk, pastels and more. Includes FREE Digital Version and Color Guide As a bonus, you can download a PDF and print your favorite images to color again and again for endless fun. Not sure which colors to use? View or Download a full color version of each design.