This bundle comes with 4 diffuser necklaces ready to give away as gifts or keep for yourself. This bundle comes with two each of Flower, and Wooden Heart. Wooden Heart is made from Alloy and Wood, Flower is made from 316 Stainless Steel. Each comes with a chain and gift box. These are quality necklaces at a very affordable price. Send this to someone with a sample of of your favorite oil and make their day!