Medline O.R. Towels. Blue, Sterile Virgin O.R. Towels, 17" x 27" Pre-Washed, De-Linted, Folded, Packaged & Sterilized. We stock 100% Cotton Surgical towels that have been pre-washed, de-linted, inspected, folded, CSR-wrapped and packaged in a form-filled pouch. This allows all areas the convenience of having ready access to top quality pre-sterilized towels, while eliminating the need for in-house CSR and sterilizing area. 40 Pack/Case.