The Blue Jay Elite Healthcare Products CUFF-IT LARGE ADULT Blood Pressure Cuff fits arms 8.7  - 16.5  in circumference and is to be used with the Blue Jay Elite Healthcare Products Perfect Measure Talking Blood Pressure Units * The CUFF-IT LARGE ADULT Blood Pressure Cuff features a D-Ring and is properly contoured for accuracy and comfort * Convenient cuff placement directions are imprinted directly on the cuff * For use with BJ120120 only * Cuff measures 21.7  x 5.9  and fits arm circumferences 8.7  - 16.5  *