Handcrafted on stretch elastic chord. Sizes are available in the following Child’s Average Size is 5 1/2 inch - 6 inch Woman's and Teen's Average Size is 6.5 inch-7.25 inch Men's Average Size is 7.50 inch-9 inch. If you need a custom size, please message me. Product Details: - Handmade essential oil diffuser bracelet - Features 8mm Black Lava Stone Beads and 16mm Natural Shell Beads - Made to order for a perfect fit - Allows you to enjoy the benefits of aromatherapy on the go - Creates a visually striking contrast - Captures the essence of island life -Essential Oil Diffuser Bracelet Aromatherapy Bracelet Each Bracelet comes with a 0.06 ounce bottle of an essential oil of your choice. You can opt out also at checkout. Black Lava Stone Seashell Bracelet! Elevate your senses and embrace the relaxing powers of aromatherapy with this unique piece. Made with passion and care, this diffuser brings together the essence of natural elements. The black lava stone acts as a perfect sponge for your favorite essential oils, while the seashell shell adds a touch of elegance and a nod to the soothing wonders of the sea. Simply put a drop of your favorite sent of essential oil onto a lava stone and the sent will last 12-24 hours.