Beautiful matching set made out of Thorny Oyster found in Mentawai Islands. Handmade cut and polished and settled in silver 925. Adjustable ring fits sizes from 4-8 US and necklace lenght is 46cm. By purchasing the bundle you donate 1x concrete artificial reef structure for coral restoration program in Mentawai Islands at Togat Nusa Retreat. Christmas packaging with reef builder certificate.