Pacon Dry Erase Sentence Strips, 3-Inches by 12 -Inches, White, 30 Strips (5187) Dry erase surface is convenient and reusable 1.5 inch ruled with red baseline and 3/4 inch dotted midline Great for practicing writing, spelling, math and more White strips are 3 inches tall and 12 inches wide 30 strips per package