21" X 19" Replacement Seat Cushion - Knife-Edge, Knife-Edge/Medallion Aquatic - Grandin Road vs Acadia Outdoor 61in Sofa Cushion: which is safer?

21" X 19" Replacement Seat Cushion - Knife-Edge, Knife-Edge/Medallion Aquatic - Grandin Road is our pick: better on PFAS and on the overall hazard picture.

Our pick

21" X 19" Replacement Seat Cushion - Knife-Edge, Knife-Edge/Medallion Aquatic - Grandin Road

Grandin Road

21" X 19" Replacement Seat Cushion - Knife-Edge, Knife-Edge/Medallion Aquatic - Grandin Road

PFAS grade

Excellent 75/100

Overall grade

Poor 45/100

Verdict

Buy with care

Hazard flags

⚑ 4

Material

Polyester fabric upholstery

Confidence

72%

LikelyFlame retardants in foam core

PossibleVolatile organic compounds (VOCs) from polyester finish and adhesives

PossibleAzo dyes and color fastness chemicals

Acadia Outdoor 61in Sofa Cushion

Acadia Outdoor 61in Sofa Cushion

PFAS grade

Excellent 75/100

Overall grade

Poor 39/100

Verdict

Skip

Hazard flags

⚑ 4

Material

Polyester cushion cover; likely acrylic or polyester-blend upholstery

Confidence

58%

PossibleStain-resist fluorinated finishes (PFAS-class)

PossibleVolatile organic compounds (VOCs) from coating or dyes

LikelyCoating degradation and microplastic shedding

Where these two actually differ

  • We flag Flame retardants in foam core, Volatile organic compounds (VOCs) from polyester finish and adhesives, Azo dyes and color fastness chemicals and Allergens in dyes and finishes on the Grandin Road and not on the .
  • 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 Grandin Road.
  • The Grandin Road is Polyester fabric upholstery where the is Polyester cushion cover; likely acrylic or polyester-blend 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.

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More outdoor furniture cushion protectants: see the full ranking