This is a twist open TEARDROP septum made of sterling silver gold plated. It fits nipple and earlobe.l It is a ring with matte finish distressed rustic 16g, 1.2mm.
 
This septum piece is handcasted in recycled sterling silver by Uppsala finguteri after a model made by Osa Ozdoba. 

These measurments are inner mearsurments:
Length: 12mm Width (at the widest point): 9mm Opening:7mm