Abstract. The purpose of this research is to produce a product in the form of middle school mathematics learning media with valid futsal context. The research method used is design research with the type of development research and the evaluation flow used is formative study with the stages of self-evaluation, expert review, and one-to-one, small group and field test. In this article, the discussion of research on the validity of the product obtained from the results of the expert review and one-to-one stages is discussed. The research subjects were seventh grade students of MTs Karawang. Research data were collected by means of walk through and documentation. The results obtained based on data analysis can be concluded that the resulting product in the form of junior high school mathematics learning media with futsal context is said to be valid, because the prototype of the product is valid after being revised based on suggestions from experts and testing on students in terms of content, constructs, and language.