Button buttons fasteners finds Finland Louri unusual nature

The bigger button is about 1”long x 0.5”wide and the smaller button is about 0.75”long x 0.5”wide. Unsure what type of material this is. Could be slices of a horn of a small animal. 3small and 3big sized buttons. Thanks for browsing.Buy more small items to save postage cost.All sales are final. impeccable for everyday use. finest materials and excellent craftsmanship ensure long-lasting durability.