Private equity firm JH Partners LLC has invested in Alex and Ani LLC, a retailer based in Providence, R.I. Terms of the investment were not disclosed.

Alex and Ani offers consumers expandable bracelets through corporate-owned stores, department stores, small chains and independent retailers.

The company distributes the bracelets in 11 states, and plans to expand into 18 additional states by the end of 2013. The company also sells the jewelry internationally,

San Francisco-based JH Partners specializes in investing in middle-market consumer products and services companies. The company has also invested in Bare Escentuals, La Perla and Ouidad.