We provide all informative and knowledgeable educational products and supplies We use to encourage Children modern facilities for innovation and creativity in them We always value for our clients and their requirements We quickly realized that giving quality material could be a vital supplement and valuable addition on the way to the goals that we were out to pursue We thought and encourage it to be an efficient medium to increase the reach ideas way beyond the restrictions Each mat features an addition fact family triangle on one side and a number bond on the other Set of 10 Mats are 9 x 12 made of durable flexible plastic For use with dry erase markers Features . Write On Wipe Off Addition Triangle Specifications . Weight 4 04 lbs