Banks Sleeper Sofa Foam vs Buchanan Roll Arm Upholstered Sofa Polyester Wrapped Cushions: which is safer?

Where these two actually differ

• We flag Volatile Organic Compound (VOC) Off-Gassing, Flame Retardant Chemical Content, Formaldehyde in Adhesives and Binders and Foam Degradation Over Time on the Joybird and not on the Pottery Barn.
• We flag VOC off-gassing (adhesives, foam, polyester), Polyester fiber degradation and shedding and Dust mite and mold accumulation on the Pottery Barn and not on the Joybird.
• The Joybird is polyurethane foam where the Pottery Barn is Polyester wrapped cushions with fabric upholstery, which is most of the difference in these two grades.
• These two are level, close enough that price and fit should decide it rather than our grade.