DermaRite Foam Dressing 3-1/2 X 3-1/2 Inch, Count of 10 (Pack of 1)

DermaFoam Tracheostomy is a highly absorbent, waterproof sterile foam dressing with a key hole opening for convenient application around tracheostomy sites. Foam is bonded to a semi-permeable polyurethane outer film that helps prevent bacterial contamination.