Clayton Jewelry Stainless Steel Oxytocin Molecule Necklace Includes A Set of 4 (Gold, Silver, Rose Gold, and Black) - 316L Stainless Steel Pendant and Chain Pendant Size: 2 Inches x 1 Inch Chain Length: Adjustable 16 -19 Inches (Includes Pendant Width) Extremely Resistant to Corrosion and Rust (Not recommended for use in chlorinated pools) Arrives in a Gift Bag - 30 Day Money Back Guarantee if you are unhappy!