Bloom Tree Of Life Essential Oil Diffuser Necklace- 20" 316L Stainless Steel. A beautiful, organic way to use your essential oils! This is a staff favorite, featuring a tree of life cutout on the stainless steel diffuser pendant. The chain is a 20"" ball station stainless steel chain with a lobster clasp, ensuring rust, lead, nickel, and tarnish-free piece. This is truly a gorgeous piece of jewelry! Length: 20". Pendant Closure: Strong Dual Magnet Diffuser Pendant size: 1.2"" circle (30mm). Chain and Pendant Material: 316L Surgical Grade Stainless Steel. Included in package: Necklace and three 22mm felt diffuser pads (assorted colors).