Both the diffuser and chain are made from stainless steel and do not contain nickel. The diameter of this diffuser is 1.19 inches, and the total necklace length is 22 inches.
Don't forget to order a Diffuser Pad in your favorite color for this diffuser!
Photo Note: Shown from left to right with the Aqua, Charcoal, Pink and Lime Green Diffuser Pads.