package: 1pcs*Bidirectional adjustment patellar strap About this item: 1. Patella Knee Support : Experience comfort and alleviate knee pain. The patella brace helps reduce knee pain caused by arthritis, tendonitis during high-impact workouts that involve frequent running or jumping. It’s perfect for basketball, tennis, gymnastics, weightlifting and beyond. 2. Ergonomic Silicone Patella Band : Engineered to protect your patella every step of the way. Applies targeted pressure to the patellar tendon, helping shifting pressure away from the tendon to alleviate pain andreduce strain during physical activity. The ultra-flexible silicone knee brace adapts to the shape of your knee, delivering precise 360° compression 3. Non-Slip Patella Knee Bands: The best anti-slip patella knee brace and knee band in the industry. Unique micro-convex groove texture slip-free design prevents slide suddenly and keeps the patella strap stay in place when you workouts. Pefect for running, basketball, volleyball, football and hiking that involve frequent jumping and landing 4. Comfortable and Soft: Made from high-quality silicone materials, soft and comfortable, no discomfort or excessive sweating even after long time use. The inner side is designed with airbag pading that apply localized pressure on the patellar tendon, relieving pain and helping to massage the muscles, reducing the pressure on the knees during exercise 5. Adjustable Patellar Strap: Double-knot and adjustable strap design, so you no longer have to worry about the size. The padding provides good support and reduces the pressure on the patella tendon for the knee especially when you're jumping up or down. Crafted for people suffering from knee instability.