Great for use in the classroom or at home! Use on magnetic whiteboards, steel lockers, refrigerators, or any magnetic surface. Write-on/wipe-off with dry erase markers or liquid chalk markers! Each strip measures 2.75" x 11". Each pack includes 3 magnetic sentence strips, 1 each of pink, blue, and yellow. Sold as 6 packs for a total of 18 sentence strips.