JOVIVI 8MM Natural Black Lava Stone/Agate/Amber Healing Crystal Stretch Beaded Bracelet 8mm Semi-precious Beads Chakra Bracelet;Unisex, Good Matching for Men and Women Material: Lava stones/Matte Agate/red yellow amber Choose Your Birthstone, Lucky Stones Length: Approx 6-7'' Elastic. Fits most wrists. Handmade Link Stretch Matte agate/Lava Stone Beads Bracelet with one Red Yellow/Yellow Amber bead decoration. Please note that amber is not real stone. Amber is synthetic.