Lava Stone, Black Agate and White Howlite Stone bracelet. Ideal for pairing with a watch or adding to your collection of bracelets. Beads are 12 mm in size, slightly larger than our traditional 10 mm size. Lava Stone, Black Agate and Howlite Stone have been known for their grounding, comforting and protective energies from stress, fear and anxiety. Double stranded using our unique insurance line, which means a more custom fit, above average tension and incomparable cratsmanship. Ideal for men and women with average wrists.