59x59 play mat

https://romeo-wiki.win/index.php?title=Watch_Out:_How_Foam_Play_Mat_Tiles_Is_Taking_Over_And_What_To_Do_About_It

You should inspect your mat frequently for indications worn and tear, such as loose threads and damaged foam. Repair or replace as necessary. Always keep it in an area that is dry, to avoid the risk of developing