Found in the training rooms of pro teams and colleges across the country, the Mueller® MTape is easy to tear and unwinds to the core for easy use and great support. Top-quality athletic tape for all sports medicine applications. Rolls are made of hospital-grade, 100% cotton backcloth. High tensile strength, excellent tackiness and conformability. 100% cotton, zinc oxide athletic tape. Consistent unwinding to the core. Colorfast dyes will not bleed.