[More comfortable and effective] - How to choose the knee support size--- The correct size is a prerequisite for all efficacy. Please check our size chart and measure your waist according to our instructions. Measure around the knee (5 "/13cm above the knee joint center). Knee pads are available in various sizes (S, M, L, XL and 2XL, 3XL) and black[Quality products and friendly service] - What have you got--- [1] This set includes a set of knee pads (applicable to the left or right knee). [2] If you choose the wrong size, please contact us for free replacement. If you have any questions, please feel free to contact us through "Your Account" - "Your Order" - "Questions". Then please write and send us your thoughts. We will reply within 24 hours.[Pain relief and excellent support] - Why do you need knee pads--- The knee support provided for women can exert stable pressure on the knee joint, increase circulation, and help the injured or tense muscles and joints recover, thus providing the ultimate pain relief for various diseases (including tendonitis, arthritis and other knee pain). With our knee pads, you will be able to cope with any activity in your life.[Phenomenon protection&pushing yourself to the limit] - When do you need knee support--- Knee support is very suitable for any joint under great pressure, such as baseball, basketball, football, golf, gym, hiking, running, tennis, volleyball, etc. You will be able to enjoy excellent knee support while maintaining optimal performance and all-round leg movement.[High quality and easy to use] - How to use knee pads--- Knee support is suitable for men and women. [1] Knee support is made of nylon and polyester, with high elasticity and breathability. They can quickly absorb sweat, keep the knee dry and odorless. [2] A special knitting technology design, no matter what you do, can ensure that your sleeve always stays in place. It can be worn on or under pants, and it feels soft, so you can wear it all day.