75% nylon +15% spandex +10% rubber1. When we exercise, we will use the wrist, hand, shoulder, waist, knee, ankle and other important joints of our body to varying degrees. The body is the first equipment for sports, caring and protecting your body, providing professional and comprehensive sports protection.2. Silicone anti-slip inner side, elbow protection upper inner design of silicone anti-slip strip, increase the adhesion to reduce the slide3. The fabric is elastic, breathable and comfortable. The thickness of the fabric is moderate and fits the elbow, which is not easy to deform4. Elastic braid design, large elasticity comfortable fit elbow, and good resilience is not easy to deformation5. Washing suggestion: Hand wash at 30C or gentle machine wash, natural air drying, misuse of detergent and bleach