Product size about :53cm or 20.8'' Product color: As shown in the figure Product material:Polyester product features: Built-in silicone strips: This protector is designed with built-in silicone strips to provide additional stability and support, help relieve pressure on the knee area, and reduce the risk of injury during exercise. Breathable fabric: Use highly breathable fabrics to ensure that you stay dry and comfortable during intense exercise, and avoid overheating and slippery skin. Pressurized design: The scientific pressurized design can effectively improve blood circulation and enhance muscle performance. It is suitable for running, basketball, mountaineering and other sports scenes. Unisex: This protector is suitable for sports enthusiasts of all genders. The elastic design ensures that all types of legs can fit comfortably and protect your knee joints anytime, anywhere. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 or 2 pc Patellar strap Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.