... flash foam stamp 1.Crystal handle 2.round,oval, square and rectangle 3.suitable for 4mm/7mm foam 4.ues longer Office Flash ... Material suppliers for made stamps in China.HB Flash Stamp, Made only with the best quality materials ... rectangle.It's applicable to thickness of 4mm / 7mm flash pads/ foams.It's Easy, Fast, Clean, ... , and also continuous to use after you add flash ink. Size: Round: 38,40,42,45,50 ...