For anyone (like me) wondering what this is. Foamcore is foam with paper on each end (https://en.wikipedia.org/wiki/Foamcore https://en.wikipedia.org/wiki/Foamc

For anyone (like me) wondering what this is. Foamcore is foam with paper on each end (https://en.wikipedia.org/wiki/Foamcore https://en.wikipedia.org/wiki/Foamcore) Looks like people use it to organize board games: https://www.orderofgamers.com/abomination-foamcore-v1/ https://www.orderofgamers.com/abomination-foamcore-v1/