An ~2.5 inch tall wooden keychain.
This product is homemade, and may have slight variations from the image.
Variants (Left to right, top to bottom):
Atsushi
Akutagawa
Kyouka
Dazai
Chuuya
Fyodor
Yosano
Kunikida
Ranpo
Getting the full set will come with one of each. If you are not choosing the full set variant, it is only one charm unless you add multiple to the cart.