D Ring Cuff Small 7 to 9 Omron Foam Wedges Slants Main unit size: 142*100*80mm Hip Kits Main unit size: 142*100*80mm H Brace with laminate storage shelf * High pressure laminate legs apron and stretchers * 2 High Density urethane foam top * 400 lb weight capacity * Resist All vinyl upholstery finish * Natural Oak Wild Cherry or Folkstone Gray laminate * Choice of (17) standard vinyl colors * 72 L x 30 W x 31 H * Durable D ring contoured cuff fits arms 7 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