Features: 1) Size: 210 x 210mm. 2) Material: 350g kraft paper (box), 100g paper (book). 3) Printing: 4+4 color printing. 4) Unique binding with classic string presentation. Please note the pictures relevant to this product have been provided for reference only. We do not sell books, only print copyrighted materials. OEM orders and customer-made artworks are welcome!