Non-woven swabs are made from 70% polythlene and 30% terylene. The pad is designed to wick away fluids and disperse them evenly.Products have been cut like "o"and "Y",so it is easy to use.The common specification contains:2"x2"-4p,2"x2"-6p,3"x3"-4p,3"x3"-6p,4"x4"-4p,4"x4"-6p.