... with high quality , reasonable price , and prompt delivery. Item: jigsaw puzzle. Material: Cover: 157gsm art paper, 1400gsm card board. ... Text jigsaw puzzle: 350gsm greyback board, 1400gsm cardboard. Print: 4C + ... automatic die-cut machine, automatic hot-stamping machine, automatic box glue machine, automatic glue binding, saddle stitch machine, ...