TREND enterprises, Inc. T-4002 24" Multicolor Wipe-Off Sentence Strips, 30 Per Pack Versatile dry-erase strips for word walls, schedules, printing practice, storytime, brainstorming. Wipe-Off surface makes revision and clean-up easy. Durable cardstock for long use. Tricolor pack provides flexibility to color-code your lesson plans. Blue & red writing guidelines. 30 strips per pack; 3" x 24" each.