17" X 17" Replacement Seat Cushion - Knife Edge, Knife-Edge/Lattice Neptune - Grandin Road vs Acadia Outdoor 61in Sofa Cushion: which is safer?
17" X 17" Replacement Seat Cushion - Knife Edge, Knife-Edge/Lattice Neptune - Grandin Road is our pick: better on PFAS and on the overall hazard picture.
Our pick
Grandin Road
17" X 17" Replacement Seat Cushion - Knife Edge, Knife-Edge/Lattice Neptune - Grandin Road
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
PossibleAzo dyes and color-fastness
ReportedMicroplastics from polyester shedding
Acadia Outdoor 61in Sofa Cushion
PFAS grade
Overall grade
Verdict
Hazard flags
Material
Confidence
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 Azo dyes and color-fastness and Microplastics from polyester shedding 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 blend 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