... 3.Mature technology,eco-friendly printing Customized paper board book, story photo book, paper book supplier in China 1. Book materials ... art paper. 3. NW:12.4KG GW:12.9KG/carton , one carton 24pcs 4. Usage:for children to know more wordsSpecificationSize ... ; Thread Glued Binding are Available.Picture: Customized paper board book, story photo book, paper book supplier in China