... for sale MaterialCover material: 350g art paperInner page:60g art paper + 500 pagesDimensions/Size297* 210mm(11. ... can help your do something adjustion if needed. Q:How can I get the samples?A:We ... bulk order, we will refund you the amount.Q:What's your lead time for an order ... days for hardcover book less than 5000pcs (with complicate finishing)Q:What format artwork do you use for printing? ...