Storage Soles Is Adjustable Hidden Stash Insoles. This "stuff", i mean this Shoe Soles which called The Storage Soles can hold more than just your little key in your shoe. These shoe adjustable insoles ...... WAIT, WAIT, WAIT, did I just say it can be adjusted??? WOOOW GREAT ......... NEXT, have a hidden stamping compartment into their heel cups sized to keep or to protect some money, your penny, your superstition "stuff" maybe or any other small sensitive "stuff" you want to keep close.