Add a rainbow of light and inspiration to your classroom with Carson Dellosa We Stick Together Checkered Rainbow Bulletin Board Borders! Each 36-foot bulletin border pack features 12, 3' x 3" strips of straight border trim with a checkered rainbow design to add stylish, rainbow classroom décor to your bulletin board, white board, and other visual displays. Sold as 6 packs for a total of 72 strips (216 feet).