PLEASE NOTE: OUR ARM SHAPERS ARE DESIGNED FOR PLUS SIZE WOMEN HOWEVER, PLEASE ENSURE YOUR ARM CIRCUMFERENCE IS NO LARGER THAN 16 INCH. IF YOUR ARMS ARE LARGER THAN 16 INCH, WE RECOMMEND NOT TO PURCHASE AS THEY WILL NOT WORK AS INTENDED. IN ADDITION THE CALF COMPRESSION SLEEVES ARE ALSO DESIGNED FOR A CALF DIAMETER SIZE OF 15 TO 22 INCHS.