Ashley Productions:
Smart Poly® material has been designed for classroom and home charts. The charts are strong, durable, waterproof, and do not need lamination. To hang in the classroom, use Ashley Smart Tak®, pins, tacks, staples, etc. The write-on/wipe-off surface is designed for dry-erase or water-based markers and washable crayons. The Smart Poly Chart measures 13" x 19" with a heavy-duty, glossy surface, .45mm.