The dry erase surface makes these sentence strips convenient and reusable. Use them again and again in the classroom or at home. Ruled 1-1/2" with red baseline and 3/4" dotted midline on dry erase side. Dry erase surface on one side. Measures 3" x 24". Each pack contains 30 strips in three assorted colors - Blue, Pink and Yellow. Sold as 3 packs for a total of 90 sentence strips. This product ships in approximately 1 days