This stretch bracelet is made using natural beads carved out of dried lava! Lava is a form of molten rock that originates from volcano eruptions. Although these earthy beads are considered to be a form of stone, they are fairly lightweight. Each bead measures approximately 8 x 8mm with a hole size of approximately 1mm. This bracelet is standard size and measures approximately 7.5 inches. • High quality bracelet • • Quality craftmanship for your own high quality designs • TRUST IN THE BEAD CHEST: With over 10 million beads sold and 100,000+ satisfied customers, we are a recognized leader in supporting fair trade and independent artisans worldwide. Join us in our mission and become part of our global community. • 100% SATISFACTION GUARANTEE: We stand behind the superior quality of our products and are confident you'll love your purchase. If for any reason you are not satisfied with your products from The Bead Chest, please contact us immediately. Our dedicated support staff will assist you promptly, ensuring a hassle-free return or refund.