... ,300gsm,350gsm)Coated paper(128gs,.157gsm,200gsm,250gsm,300gsmDuplex board with grey back(250gsm,300gsm,350gs,.400gsm)Grey paper(250gsm,300gsm,350gs ... to offer free samples of our current design for you,with shipping paid by the customer.To help us process your ... may charge you the sample fee,it can be refunded back when you place order to us.Our advantage:Equipment from ...