Brainymats Periodic Table of Elements Placemat (Revised Jan. 2012) Double Sided with colorful Periodic Table on the front will all the elements the back is in black and white with the same table but tests your knowledge learned on the front Writeable on both sides with wipe-off type markers or wipe-off type crayons Washable just wipe clean with a moist cloth or damp sponge Made in the USA - BPA free Size 11.25" W x 17.25" L