10 Extra Large Multiplication Table Posters (24x17 inch Double Sided) Tremendous value: this item contains 10 double-sided posters containing multiplication charts. Two different versions of the multiplication table are included. Extra large size: these double-sided 24"x17" posters quality materials: posters are made with high-quality materials, printed on durable paper, with a protective gloss coating to protect them from dust and scratches, and easy to clean. Great item to share with elementary school teachers. Guaranteed quality: high quality heavy-duty and built to last! Made by elan publishing company. We are a family-owned USA company and we have been making quality products for over 50 years.