Product name:Arm sleeve Product size about : Length: 40cm/15.74in Arm circumference: 20cm/7.87in Product color: As shown in the figure Product material:Polyester+nylon product features: 1. Quick-drying Arm Sleeves: Made from high-quality polyester fabric, these arm sleeves are designed to quickly wick away moisture and dry quickly. This feature ensures you stay cool and comfortable during your activities, even in hot and humid conditions. 2. Elastic stretchable fabric: The arm sleeves are made of elastic fabric, providing a tight and comfortable fit. The stretchable material allows free movement, ensuring a full range of motion without restriction. 3. Built-in elastic straps: Each arm sleeve comes with built-in elastic straps to help secure and tighten the sleeves on your arms. This ensures a secure fit during rigorous activities. 4. Skin-friendly and comfortable: The arm sleeve design brings a soft and comfortable feeling to the skin. Smooth fabric minimizes irritation and chafing, making it comfortable to wear for long periods of time. 5. Multifunctional use: These arm sleeves are not only suitable for sun protection during outdoor activities, but also suitable for basketball arms. Sleeves provide extra compression, toning muscles and improving athletic performance. 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 contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pair Arm sleeve