Statement 316L Stainless Steel Essential Oil Diffuser Necklace- 24"- Lava Stone. Make a statement with this essential oil jewelry piece! Made of 316L surgical grade stainless steel, this durable piece is ready for every day or a night on the town! 24" length on a flat circle link chain, this is our largest ball pendant, 1" wide x 1.25" tall. The closure is chain-secured- will last for a very long time! Length: 24". Diffuser Pendant size: 1" x 1.25". Pendant Closure: Chain Secure. Chain and Pendant Material: 316L Surgical Grade Stainless Steel. Included in package: Necklace and three 14mm diffuser lava stones(assorted colors).