Effective Support: This arm support sleeve provides simple and effective support to prevent acute and chronic pain, strains, sprains and fatigue, as well as providing adequate support during daily life or exercise, and can be used for a wide range of applications such as tennis, golf, basketball and football. Breathable Material: This upper arm compression sleeve is made from high quality polyester, which is breathable, soft and comfortable to wear, as well as being highly abrasion and tear resistant, providing even compression around the elbow and reducing muscle fatigue and tendon stress. Adjustable Design: This upper arm compression sleeve with adjustable straps allows for a wide range of motion while providing guiding support, and features a bar design that is quick to slip on and off and fits most adult men and women without breaking or damaging. Comfortable Compression: This upper arm sleeve wraps perfectly around your arm, providing comfortable compression and reliable, stable support for the prevention of acute and chronic pain, strains, sprains and fatigue, ideal for post-operative recovery or sports injury prevention. Pain-Relief: This is a very practical and effective biceps tendonitis support compression sleeve for joint and arthritis pain relief, as well as for tendonitis and sports injury recovery; it provides full wrapping and compression, which effectively improves blood circulation and relieves inflammation and stiffness.