The Edu-Clings Silicone Center: Digraphs will support students' foundational reading skills as they work with common consonant digraphs such as wh, ph, sh, th, and ch. This easy-to-clean, 20-piece resource provides a revolutionary hands-on learning experience for both at home or in the classroom. Each dry-erase mat measures 8.5 inches x 11 inches, with each manipulative measuring approximately 1.97 inches in diameter. Edu-Clings are the perfect hands-on learning manipulatives. They encourage discovery and deeper understanding at home and in the classroom. The innovative silicone material is easy to clean, quiet, durable, and clings to all nonporous surfaces without leaving any residue. It's dishwasher safe so you can sanitize regularly and easily. You can even write on it with dry-erase markers! Warm water and a touch of dish soap will always make it cling like new. From individual center activities to larger manipulatives that are perfect for whiteboards, Edu-Clings will revolutionize hands-on learning at home and in the classroom.