This is one of the designs Pia made and it's one of a kind.
Temporarily strung on paper cord. You can pair them with anything you see fit, metal spacers or other materials, or just string them on a proper waxed or leather cord.
The set consists of 4 flat tube shaped beads, with craters and fungi 22mm x 15mm with a 2,5mm hole, and 3 organic branches with craters and fungi, 35mm to 38mm x 12mm in neutral beige oatmeal with an aged look
Please take a look at all the pictures to get a better idea, there's a photo with a ruler to help you with sizing, and closeups to check the quality you can expect.
Measurements are approximate as the beads are shaped by hand, one by one.