... the natural sponge and pva sponge, many kinds of furniture foam,sofa foam OUR PRODUCT IS USED FOR MATTRESS, SOFA, QUILTING, PACKING ... IS MADE BY MACHINE, ANOTHER IS HAND-MADE FOAM. THE GENERAL SIZE OF PIECE FOAM IS 2METERSx1.5METERSxTHICKNESS. THE SIZE FOR HAND-MADE ... FOAM IS FIXED, BUT FLEXIBLE FOR THE FOAM WHICH IS MADE ...