It is handmade shell pendant. The abalone shell is capped with brass. Nice additional to your jewelry craft.
The size is 3" - 3 1/2" length x 3/8" - 1/2" width. It is 4 pendants in a set. Chosen randomly and the size/shape may vary.
Note: The size may be a little bigger or smaller than actual size. Also the color may vary depend on the shell material.