Pacon Dry Erase Sentence Strips, 3-Inches by 12 -Inches, Assorted Colors, 30 Strips (5188) Dry erase surface is convenient and reusable 1.5 inch ruled with red baseline and 3/4 inch dotted midline Great for practicing writing, math, spelling and more Strips are 3 inches tall and 12 inches wide Colors include: Blue, Pink and Yellow