childrens colouring books 1.Customized design and sizes 2.Accept small orders 3.OEM welcome 4.Best service childrens colouring booksThe coloring book is for children to fill color on some designs1,The size of the coloring book is A4,Total 8 sheets inside,Cover is made of 250g paper card with color printing,And with gloss lamination.2,The inner paper are made of 60gsm wood paper with one color ...