Ashley Productions Smart Poly Chart Number -20 to 120, 13″ x 19″ 13 x 19 Inch
The charts are strong, durable, water proof, and do not need lamination. Use with Ashley Smart Tak, pins, tacks, staples, etc. to hang in the classroom. The write-on/wipe-off surface is designed for dry erase or water based markers and washable crayons.