This spiny oyster shell is so colorful - it will knock your socks off. Post drop earrings in .925 Sterling Silver. So easy to wear! Spiny Oyster top stone (posts), 8mm. Bottom stones (drops) 9x15mm Total size approx 11mm x30mm All .925 Sterling Silver Total length 1 1/8 inch Earrings arrive with 2 sets of backs: Titanium and larger "no droop" clutches Spiny Oyster was used by Native American artists to make inlays in fine jewelry. From my Baltimore Studio to your collection. Carefully packaged in an LBJ gift box. Ready for gift giving.