... 3 Eco-friendly material The Very Hungry Lovey Caterpillar Printing Books : Board BookOne sunny Sunday, the caterpillar was hatched ... the transformation of the caterpillar. The final, double-page picture of the butterfly is a joyous explosion of ... . YG Paper Packaging Co., Ltd.ProductMaterialWhite cardboard , C2S art paper, C1S art paper, duplex paperboard, greyboard, special paper, etc.Printingoffset ...