D Ring Cuff Small 7 to 9 Omron Exercise Ball Accessories Package Content: Lighting Package Content: Left * Air Stirrup ankle brace for use with sprains fractures and chronic instability * Resists inversion without affecting flexion * Anatomically contoured to conform to the ankle with minimum bulk * Comfort and security encourage early reform to function * in circumference * To determine your arm size use a cloth measuring tape and measure the circumference of your left upper arm midway between your elbow and shoulder * The Small Cuff is compatible with Omron Blood Pressure Monitor models: BP710N BP742N and BP765 Durable D ring contoured cuff fits arms 7