Smart Poly® material has been designed for charts in the classroom and home. The charts are strong, durable, water proof, and do not need lamination. The write-on/wipe-off surface is designed for dry erase or water based markers and washable crayons. Smart Poly Chart measures 13" x 19" with a heavy duty, glossy surface, .45mm. Grommet hole for easy hanging. Two pieces, no assembly required. Turn the wheel to an ocean animal and fill in the information below to learn about it.