They're Pura Vida bracelets. Pura Vida means "pure life" in Spanish.
Simple and cute. These bracelets are entirely handmade in Costa Rica, helping employ local artisans there. Additionally, Pura Vida is part of "One Percent for the Planet" and donates 1% of proceeds to the Surfrider Foundation.
Shop for bracelets and find out how you can get involved at puravidabracelets.com.