... quality ,excellent price Various book printing servicePaper material:White cardboard, grey back cardboard, glossy or matte art paper, gray board, etc ... cover: 300gsm, 350gsm, 400gsm white or gray back cardboard back up or more layers mounted per your requirements;128gsm ... , plastic tray, sponge, PVC/PET/PP window, discs, small toys like crayons, markers, garland paper, watercolors, glues, pen, pencils ...