1).childre book size: can be done any size as customers' requirements.2).children book style: can be done any style as customers' reqirements.3).children book material:cardboard; C1S artpaper ,C2S artpaper, any designholographic paper, kraft paper, fake leather skin paper and son on.4).children book printing: Any pantone color, and CMYK process .5).surface finishing: glossy lamination , matt lamination , UV or spot UV varnish, hot fiol , gilitter and so on .6).packing : polybag, displaybox and so on as customers' requirements