... .good price, high quality Specialized Children Books With CD Printingcover: art board over greyboard, 4/0C, lamination, diecut, inset CD. ... Paper weight:For cover: 1.5mm, 2mm, 2.5mm, 3mm gray board coated with paper,cloth & leather or art paper of 128gsm ... and so on.Artwork format:PDF, Adobe Illustrator, Photoshop, Indesign files. At least 300dpi resolution.Packing details:Double Wall Corrugated Carton ...