We designed this freshwater pearl necklace with a longer extender so you can wear it as a choker at 14.5" or as long as 16.5" 
Pearl Size: 5x7mm
Waterproof & Sweatproof : Shower, swim and exercise with it, the color remains perfect
Hypoallergenic, Nickel-free & Lead-free
-Length : 14.5 Inches + 2 inch extender
-Bead size: PEARL= 5x7mm