3D Printed TPU
TPU = Flexible rubber-type material.
Comes specially packaged in poly bag with 4" ball chain.
Check out my “3D Printable Files” for this actual file to download and print yourself.
To be honest, these are worth about 4 or 5 bucks, but not worth the shipping. Just wanted to put that out there.
Please allow 5-7 days prior to shipping.