2This is art coloring books for adults, it's stress-relieving book, it's large 8.5x11 sizeIllustrations, has over 40 designs for you to color whenever you need a boost of confidence This adult coloring boosks 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!