White nylon plastic polished to reveal a smooth matte finish.
This material is experimental.
Now you can keep your Bitcoin Address available to you at all times.
This Bicoin Address Keeper is fundamentally the same as the vanilla version used for simple carrying around but instead has a loop available on the top of the model. This is given to you at no extra cost! I mean, really, it's just an extra little loop.
With this you can keep your address on your keys, your purse, or your neck by utilizing nearly any sort of chain or key ring you desire.
Technical specs of the loop:
2mm thickness of ring
3.5-4.0mm open space in loop