Smart poly™ Material has been designed for the classroom and home. The material is strong, durable, water resistant, and does not need lamination. The sight words learning mat features Dolch & fry level 1 and 2 words (200 total sight words). heavy duty double-sided surface for fun and colorful learning on both sides. Write-on/wipe-off surface. Use with dry erase or water based markers and washable crayons. Each side is an interactive lesson. Mat measures 12" x 17".