Hydroentangled polyester/Cellulose. Lint-free, starch and silicone-free. Effective on both oil and water based liquids. Compatible with most solvents. This wiper is qualified to various industry specifications including Douglas Material Specification 1820. Bell Helicopter/Textron Material Bulletin 1754-A, Lockheed Martin B-6271-1 and Aerospace Material Specification 3819 A & B, Class 2, Grade A. Color: white. 50 wipes per poly-pack. 18 packs per case. Sold by the case.