... and quadrate.It's applicable to thickness of 7mm flash pads/ foams.It's Easy, Fast, Clean, Elegant and Environmental Friendly ... long time, and also continuous used if you add the ink. HDSize:Round: 34mm, 40mm, 42mm, 45mm, 50mmOval: 28*40mm, 32 ... cmOuter CTN Size(cm):53*50*28cmMOQ:1 piece per ink Flash Stamp Office Stationary