HR is extra firm foam, high resiliance, top of the line. Used in furniture cushions and building up truck seats. Comes in foam sheets. Best price around.
1" HR60 Foam 1 X 24 X 82 Extra Firm, high resiliance, top of the line. 1" HR60 Foam 1 X 24 X 82 Extra Firm is Used in furniture cushions and building up truck seats. Comes in foam sheets.