Use one, all, or a combination of inserts to apply the needed compression. These will attach to your compression socks (must be ordered separately) to make your socks larger for the inflamed/ affected leg. 

set includes 4 pieces: 
Size 1: 2.5cm wide
Size 2: 5 cm wide
Size 3: 7.5 cm wide
Size 4: 10 cm wide
Select the size of the socks that you are trying to expand and which leg (front/hind, left or right) that needs the expansion. 
Great for CPL and other leg conditions that cause swelling thst can benefit from compression