Highly absorbent drain sponge reduces the frequency of changes.. Drain sponge dressings have a pre-cut T-slit which ensures they conform to drains and tracheotomies.. Lint-free to prevent wound contamination.. The six-ply polyester and rayon material improve their absorbency. Split foam dressings don't require sterile scissors, saving precious time.. Packed in sterile pairs. . WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov