Meltblown with a sonic-bonded core and a spun-bond top layer. If its larger areas that needs covering quickly, absorbent rolls are perfect. The roll is perforated across and up the length of the roll, making it easier to take what is needed for the job and also to fold a piece over when some extra thickness is required. Maintenance absorbents are designed to absorb non-aggressive oil and water-based fluids such as fuels, oils and coolants. This not only makes it easier to take what''s needed for the job but also to fold a piece over when some extra thickness is required.