Smart Poly® Chart 13"x19", Chalk Dots Welcome. Write-on/ wipe-off heavy duty washable all poly chart, no lamination needed. Use with dry erase or water based markers and washable crayons. Match with coordinating Chalk Dots decor. Use with Ashley Smart Tak®, pins, tacks, staples, etc. to hang in the classroom. Great for reusable learning. Glossy surface, .45mm.