ilyever 2 Pack, Universal Size Jumpers Knee Patellar Brace Tendon Support Strap Band to Ease Patellar Tendonitis,Chondromalacia Patella,Runners or Jumpers Knee,Blue&iexcl;&shy; Built from premium material,soft and breathable strap offer more comfortable fit for knee. One Size:Fits knees meaurements up to 18 inches(45cm);Double strap design with full adjustment get the perfect fit according your needs. Loop lock design allows controlled and flexible movement while eliminating glide and twisting to help in knee protection and mobilization. Fully adjustable design keeps strap in right place as well as supports the knee to minimize pain associated with knee problems and other bad injury. FLEXIBLE,NON-SLIP Tubing maintains proper pressure on tendon to improve knee cap tracking and lessen painful rubbing to allow normal exercise workouts.