... 350gsm, 400gsmDuplex board with grey back --- 250gsm, 300gsm, 350gsm, 400gsmCraft paper ( kraft paper ) --- 100gsm, 120gsm, 150gsm, 200gsm, 250gsm, 300gsmColorCMYK or more, ... complete service system to offer our customers the best and professional support including problem solving, market forecasting, latest design, etc. ... will deal with your complain on first time , promotional packaging paper bag