SEALTECH is a specialized provider of high-performance sealing systems for various industries such as semiconductor, solar cell, LCD, oilfield, petrochemical and aerospace. Developed by SEAL TECH, aircell type cushion "EVOSS" is composed of a number of discrete air cells in grid combination. Made by using special elastomer with great tensile strength,EVOSS is safe to the human skin and highly efective in preventing pressure ulcers. EVOSS is covered with a sheet with great flexibility and ventilation to protect air cells. Pressure is evenly distributed. The cushion's special structure provides people even distribution of pressure level and great comfort experience. With bio ceramic coating, the aircell cushion has antibiotic quality against sweat or other bodily waste as well as far-infrared radiation effect. It is certified by CE&proved non-toxic by SGS.