High Quality Custom Offset Printing Hardcover Children Kid Board Books. Customizable Book Sizes: Available in A4, A5, 8.5x11", 5.5x8.5", and 6x9" dimensions. Premium Cover Options: Hard cover with 128gsm to 300gsm gloss or matte art paper. Diverse Board Thickness: Board thickness options include 2mm, 2.5mm, and 3mm. Advanced Printing Techniques: Supports CMYK, Pantone, varnish, B/W, and spot UV printing. Professional Binding: Perfect binding with round or square spine options available. Extensive Post-Press Services: Includes gloss/matte lamination, foil stamping, die-cutting, and embossing. Quality Assurance Process: Pre-production samples and final inspections before shipment. Experienced Production Team: Over 180 skilled workers with 29+ years of experience.