The Sentinel ET-290 Envirotowels are designed for pre-cleaning prior to removal or encasement of lead and for final clean-up following lead abatement. Each towel is ready-to-use and presoaked with a solution of Sentinel 805 Envirowash, a lead specific material that meets HUD Guidelines, and Maryland Procedures. Each towel measures 9in.x14in. 290 towels per tub. Information