We can customize this coloring books product, the feature of it is1. Professional painters and typesetting staff 2.Advanced printing machine 3. High Quality Printing 4. Nice Color 5.Strong Binding 6. Competitive Price 7. Fast Delivery, the material of it is Eco-Friendly Paper, Cardboard. The size of it can be customized and the printing type is D19 1tal pr1nt 1ng/Flexo graph1c Prin, t ng/Gravure pr1nt 1ng/Letterpress printing/Offset print ing/Transfer Printing.