Printed on sturdy tagboard that performs well with inks pencils and crayons. 1-1/2 guideline ruled with 3/4 dotted midline on one side and single line ruled on the opposite side. These sentence strips measure 3 x 24. Each package contains 100 white sentence strips. These strips are great for use in pocket charts as well as a visual learning tool for language arts lessons and activities word walls math equations and more.