This is a 2 cm wide and 3 cm long. Small Paua/ Abalone shell earring, back of the earring is cover with acrylic to protect the shells. Paua/Abalone shells is a natural shell which originates from New Zealand. This is a Paua shell earrings. Paua shell, also called Sea Opal, is the most brightly colored shell in the world. It is one of over 130 species of Abalone and only found in the sea around New Zealand. This listing is for one pair of earrings. Please let us know if you wanted more than what I have listing.