There are 12 books of computer stencils, including about 1000 designs in all, which are very delicate and easy to operate. They are reusable, durable and sef-adhesive.You could find various designs from our profile, ranging from animals to flowers, from cartoons to tribales, from Zodiac symbols to Chinese characters ,from bracelets to necklaces. The sizes of designs are different from Book 1 to Book 12