Set of six, Nike Swoosh "Just Do It" adult unisex seamless wide sport bands in size large in a variety of striped and solid colors.  Made from 74% polyester and 26% rubber.  New old stock, likely produced in 2007 based on date on unused and unopened packaging.  Measures 10 inches across x 1/2 inch wide, as noted on pictures. 

Sold as vintage stock, packaging condition as noted in photographs.