Product size about : 55*5*5cm/21.6*1.9in Product color: As shown in the figure Product material:Cotton + Polyester product features: Ultra-thin design: Only 0.5mm thick, light and not cumbersome, so you can hardly feel its presence during exercise. High-elastic spandex material: Made of high-quality spandex, it has good elasticity and durability, can fit the legs tightly and provide effective support. Breathability: The special breathable design ensures air circulation, keeps the knee joints dry and not easy to get stuffy. Anti-slip design: The unique widened design ensures that the knee pads are not easy to slip during exercise, whether running, fitness or cycling, they can remain stable. Warmth and health care: The gentle warming effect enhances the warmth of the knee joints, helps improve blood circulation, and reduces fatigue after exercise. 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 at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pair knee pads 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.