Children board Book 1)Board book,children book 2)Customized design is welcome 3)Children enlightenment education 4)ISO14001 Product Name: Children Board Book,Children's bookMaterialC1S art board: 250gsm, 300gsm, ... 350gsm,400gsmArt paper: 128gsm, 157gsm, 180gsm, 200gsm, 250gsmIvory board: 210gsm, 230gsm, ...