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 *