Polyester wipe that is interwoven with DuPont's NEGA STAT carbon yarn. NEGA STAT dissipates static charge, preventing static build up and allowing dissipation. Perfect for dry wiping ESD sensitive components and boards. Tear resistant to allow cleaning around through hole leads without fraying. Class 10 cleanroom qualified. Anti-static - will not generate charge. Class 10 cleanroom laundered. Tear resistant. 9"x9"