
Custom Coloring Book with Pen Printing. Customizable Dimensions: Book size is fully customizable to meet specific customer requirements. Premium Material Options: Wide range of cover and text papers including art paper, PVC, PU leather, and specialty papers. Advanced Surface Finishing: Options include glossy/matte lamination, UV coating, foil stamping, embossing, and special inks. Diverse Binding Styles: Available in saddle stitch, perfect, board book, comb, spiral, wire, and screw binding. Direct Manufacturer: 100% factory with 14+ years experience, 150 professionals, and 400+ skilled workers. Fast Sample Delivery: Digital or dummy samples ready in 3-5 working days; finished samples also available. Rapid Mass Production: Standard lead time for mass production is typically 20 working days. Strict Quality Control: 100% inline inspection combined with AQL 1.0-2.0 standards before delivery.