chlidren book--chook 1.size:23*18.5*1.5cm 2.OEM is welcome 3.include 2 parts, one is cover and the other is inner. chlidren book--chook 1.paper cover, 157g, surface glossying, 3 MM sponge, 1200 gray board,2. inner is the 400g art paper liminated. 3.total 6 pages,inner 4pages.4. the size and paper material is available.