Goodnight Spring Pocket Mattress Full Size Foam Mattress Size QTY/20' FT(PCS) QTY/40' HQ(PCS) King Size(76*80inch) 193*203*34cm 72 220 Queen(60*80inch) 152*203*34cm 108 332 Double(54*74inch) 137*188*34cm 108 388 Twin(39*75inch) 99*190*34cm 210 460 FAQ 1.Are you a factory for making mattresses or trading company ? A: We are a professional mattress manufacturer, so we can control the mattress quality directly. 2.Can I change material ? Like use some specific mat…