Two Strands of White Freshwater Cultured Pearls w/ Convertible Clasp. The First Strand is 10 MM & the Second Strand is 5 MM. A Sterling Silver Crystal Encrusted Safety Clasp Allows It to be Worn 4 Ways- A Single Strand 10 MM Necklace, A Single Strand 5 MM Necklace, A Double Strand (As shown in Photo) or as a 35" Long Necklace.