It is made of coconut cut at 2/3 part of it. The coconut is grooved, polished and closed with a hard wood slab, which is stuck with waterproof glue on a 8 cm long turned foot.
The inside of coconut is polished as well. It is perfect for drinking from it but not for keeping liquid in it.
The outer part of cup is treated with medical paraffin oil. It is 100% hungarian handicraft product.