You can buy a bikini in a similar style to the one Jennifer Nettles wore in her video at Saks Fifth Avenue by designer Rosa Cha. You can also find them through Lyst.com by searching for Rosa Cha striped string bikinis.
These bikinis are similar in style to the one Jennifer Nettles wore for her video "All I Want To Do". They have a predominantly striped pattern and are attached by use of strings. The colors are vibrant stripes arranged vertically or horizontally; usually on a white background. The retail price, as seen on Lyst.com as of August 2015, is $107 at Saks Fifth Avenue stores.