I think this stuff is polyester, like the quilt batting. I have some of it, or something similar.Be VERY careful when using any foam rubber! The stuff used by furniture makers is USUALLY closed-cell foam, and water will not flow through it. Filter foam is open-cell, and allows water through.
John
...or urinary incontinence!I was told they decided to use it for furniture indoors because it does not break down or dry out like foam does .It is polyester with but made stronger to hold up .This is per Basset furniture .Plus it does not harbor mold or mildew and is cheaper than the rubber foam they used to use .It also does not hold onto smells from things like spills or urine .I guess we do not normally pee on our furniture so guessing they mean from pets