... 2mm thickness 3.500 high quality hospital clipboard aluminum medical nursing clipboardaluminum clipboardOpen Size:223*293mmClose size:14*22.3cmMateial:1 ... .We are Pingyang Huatong Printing Factory,is a leading manufacturer of notebooks, diaries, organizers, notepads, agenda,envelopes,portfolios, Aluminum notebook, ... ,paper bag etc paper printing job and all kinds of office and promotional items.