Features: Using high elasticity polyester fiber, providing uniform support and effectively relieving discomfort in the elbow joint during exercise. Suitable for long time activities such as badminton and tennis that require frequent arm movements. Breathable fabric structure, wear-resistant, ensuring dryness and comfort when worn for a long time. Whether it's indoor training or outdoor exercise, it can help you focus on improving your performances. Ergonomic design, perfectly fitting the elbow, providing flexible movement space without affecting athletic performances. Light in weight design, convenient to carry around, can easily handle both daily exercise and professional training. Specifications: Fabric: polyester fiber Size: 20cm/7.9inch width, more detail size please refer to pictures, fits most adult arm sizes Properties: black/light gray/dark gray Technical parameters: High elasticity | Strong breathability | Moisture wicking Usage scenarios: badminton training | tennis sports | gym workouts | daily joint protections Package Includes: 1Pc Sports Elbow Guard note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.