Acadia Outdoor 61in Sofa Cushion vs Calistoga Club Chair Cushion: which is safer?

Where these two actually differ

• We flag Stain-resist fluorinated finishes (PFAS-class), Volatile organic compounds (VOCs) from coating or dyes, Coating degradation and microplastic shedding and Mildew and bacterial growth if moisture trapped on the and not on the Williams Sonoma.
• We flag Flame retardant chemicals, Volatile organic compound (VOC) off-gassing from foam or fiberfill, Microfiber shedding from polyester and Mold and mildew growth if stored wet on the Williams Sonoma and not on the .
• The is Polyester cushion cover; likely acrylic or polyester-blend upholstery where the Williams Sonoma is Polyester outdoor cushion cover, likely solution-dyed; foam or fiberfill interior, 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.