Answer:
All you need is some acetone nail polish remover. Put the bean bag filling in a large bowl and cover it with the nail polish remover. The acetone will dissolve the beads into a liquid. After that, just let it sit, and the liquid will harden into a plastic.
Common bean bag filling, expanded polystyrene (EPS) can actually be recycled by separately containing the small beans in a clear plastic bag for your recycling bin.
While the filling material used in our bean bag products, is made from expanded polystyrene (EPS), it still can be recycled or reused in a number of ways. ... EPS is made from expandable polystyrene, which is a hard plastic that contains an expansion agent.