Painless learning placemats offer a unique and delightful way for children to master new subjects and for adults to brush up on old ones from pre-schoolers to grandparents there is a placemat for everyone. Most of the placemats are interactive - with learning exercises on the back that are based on the information on the front. The rest of the placemats have additional information on the back that is related to what is on the front. Features Brightly colored; Write-on and wipe-off surface; Durable; Educational; Wipes clean easily; Minimum Dimension - 17.5 W x 12 H in.; Maximum Dimension - 17.5 W x 12 H in.; Item Weight - 2.4 oz.; .