8therapy coloring books for adults it's large 8.5x11 size Illustrations, has over 40 designs for you to color whenever you need a boost of confidence This adult coloring book contain completely unique design: inspirational, quotes, butterflies, coloring books for adults relaxation flowers, and every design with Brilliant Mandala designs and great calligraphy.This is a great non-screen activity to stimulate your creativity and imagination, it will boost your focus and help you to relax.It makes also a perfect gift!