Features Medi-Pak Performance Non-Sterile Tubular Cotton Stockinettes 4 inch X 25 yds. Knitted from high-grade yarn and inspected to guarantee consistent knit construction, cleanliness, and proper roll dimensions. Used under plaster casts for skin protection. Provides pressure to hold dressing in place. Use with orthopedic appliances. Packaged in an easy-to-use dispenser box on a continuous roll, allowing user to determine length. Not Made With Natural Rubber Latex.