【Product Size】 Length 19.5cm, Height 6cm. Adjustable to fit various knee sizes, making it a convenient size. 【Product Features】 Polygonal structure for quick sweat absorption. EVA cushioning to reduce impact. Unidirectional compression for greater durability. 【Applicable Uses】 Hiking and mountain climbing (knee protection on mountain trails), outdoor sports (knee protection during soccer, running, etc.), fitness equipment (knee protection in the gym), and various other situations. 【Product Material】 The product is made of nylon material. It is gentle and soft on the skin, fits the knee, and does not cause irritation. It protects the patella from damage through shock absorption and cushioning.