They always speak their mind, so they'll love how this Black Titanium spinner band speaks to their heart! The spin action is believed to have a calming effect. Includes a silvertone (5/16") inner band and a black concave (3/16") outside spinner band. Outside of band is inscribed with "DAD".For a truly special gift, personalize the inside of the band with a special message (up to 25 engraved letters and spaces).Titanium is extremely strong (3 times stronger than steel) yet much lighter weight. Commercial pure hypoallergenic 98% nickel and lead free, also highly dent & bend resistant.