Flash Foam is a microporous photosensitive synthetic rubber used in the manufacture of Flash Preink Stamps.
Due to the photosensitive property the Flash Foam can be sealed on either sides.
The Flash foam in available in 3mm, 4mm & 7mm thickness.
flash foam for flash stamp|330*110*2/3/4/7mm | 330*150*3/4/7mm | 450*178*3/3.5/4/7mm