FOR SALE IS A NEW SET/PAIR OF HEAVY DUTY YELLOW PORON XRD POLYURETHANE OPEN CELL FOAM TO MAKE YOUR OWN INSOLES.  FOAM IS NEW, UNUESED BUT NOT SEALED IN IT'S ORIGINAL PACKAGE (EVERYTHING ABOUT ITEM IS SHOWN IN THE ACTUAL PICTURES OF ITEM).  YOU WILL RECEIVE 2 PIECES OF FOAM THAT MEASURE 5" X 12" AND IS 5MM THICK!  THIS FOAM IS DURABLE, LONG LASTING AND EXCELLENT FOR SHOCK AND IMPACT PROTECTION!  LOOK AT SOME YOUTUBE VIDEOS ABOUT PORON XRD SO YOU CAN SEE WHAT I MEAN ABOUT IT'S UNIQUENESS AND PROPERTIES.  THIS IS NEW, LEFT OVER FOAM I DID NOT USE FOR SOME OF MY OTHER SHOES!  HONESTLY SPEAKING, THIS FOAM IS AMAZING FOR YOUR FEET AS I USE IT ON MY SHOES (SEE LAST 2 PICTURES)!  IT IS EXPENSIVE BUT WORTH IT TO ME.  ANY QUESTIONS, ASK?  THANKS FOR LOOKING.