If you need to purchase comfort straps or protection pads for your SizeGenetics device, check out this page.
Currently the SizeGenetics website does not allow you to purchase spare parts (other than the protection pads and comfort straps). I’m not sure why, but what you can do is purchase spare parts from the maker of the product, AndroMedical. Click here to open up the AndroMedical website, and on the right-hand side choose “spare parts” from the menu. The page should load up with spare parts, and from there you can purchase the parts you need.