ZenToes Metatarsal Gel Pads to Protect and comfort balls of the feet

This is two packs (or 4 sets) of Metatarsal gel Pads. One package of two has never been opened. The second was opened, and one pair was tried on, but they didn't work for me. One size fits most Latex Free - Washable - Reusable One pad, (the one I tried on) has a small stain (see pic) that will come out in the wash.