General Measurements: Adjustable approximately 7.5-9.5 inches Bracelet Beads: 4mm This Birthstone Bracelet is a handmade bracelet that includes ten 4mm bicone birthstone beads packaged on a custom handmade bracelet card. The bracelets are available with only the birthstone beads, or with a zodiac charm added. Two zodiac options are available for each month. To see what zodiac aligns with you birthdate, please reference our chart! The birthstone only (no zodiac charm) bracelet comes on a birthstone themed card. Zodiac bracelets come on a card that has the zodiac symbol's name, constellation, symbol and description, and matches the color of the birthstone. Gold and silver finishes are available, as well as a lobster clasp and chain ending or an adjustable sliding knot ending. For each Birthstone Bracelet sold, $1.00 is donated to Mental Health America.