The flash foam pad material is a kind of microcellular foam material, the micropore size is 3 micron ~100 micron, the micropore structure is open, and the opening rate is 70~99%. The Simple flash foam pad adopts the world's advanced technology and process, so that the micropore size is less than 40 micron, the opening rate of 95%, acid, alkali, alcohol 5, oil penetration speed ≤3 hours, the plane quality meets the requirements of GA241.9-2000, is one of the best flash foam pads on the market at present. Simple flash foam pad has the advantages of small pores, high precision, good resilience, easy deformation, fast oil infiltration, etc. The seal products produced have good sealing effect, full exposure, uniform ink production, clear impression, a time of oil use up to 10,000 times, pressure seal is not easy to deform, can match all flash oils and flash seals on the market. In addition, it can also be used in other industries, such as the toy industry, plastic industry, etc., low cost, high quality is the preferred brand of the required industries.This seamless roller photocoil is the use of simple photosensitive pad formula using different technologies and strict quality inspection procedures to form a seamless roller shape. According to different molds can be made of different lengths, different inner and outer diameters of products.It has all the advantages and functions of the Simple flash foam pad, and the products produced by using the unique explosive light technology can be used in the current market very popular confidentiality seal, math roller teaching seal, rolling toy seal and so on.