Mueller Jumpers Knee Support Strap. Fits 10-22'' Knees, 25-55 cm. 7 Colors. This adjustable strap is designed to improve patellar tracking and elevation by applying mild pressure on the tendon below the kneecap. The tubular insert provides uniform pressure and helps provide pain relief. One Size Fits Most - Measure around knee, fits 10-22'' knees (25-55 cm). Brand: Mueller Color: Pink Dimensions: height: 400 weight: 0.5 length: 600 width: 500 Features: This adjustable strap is designed to improve patellar tracking and elevation by applying mild pressure on the tendon below the kneecap The tubular insert provides uniform pressure and helps provide pain relief null null null null null null null null