This Sparkling Red, White and Blue Lava Diffuser Bracelet is constructed with an expandable metal wire that is 5 1/2 cm in diameter when closed and 8 cm in diameter when fully expanded. This dainty bracelet is a beautiful accent to any outfit for any occasion. Simply apply a few drops of your favorite essential oil to the lava or wooden beads of the bracelet. The aroma of the essential oils will slowly diffuse into the air around you, In addition, you can simply bring the bracelet closer to your nose and inhale. Either way, the beauty and functionality of this unique piece of jewelry is a beautiful accent to any outfit. Finally, if you need help in choosing your favorite scent just contact me via email.