Sunbrella · Waterproof Outdoor Cushions
Sunbrella Outdoor Custom Cushion Covers
Likely water-repellent coating-treated; Sunbrella silent on PFAS use.
Sunbrella cushion covers use solution-dyed acrylic with water-repellent treatment typical of outdoor fabrics. Brand does not disclose PFAS status or provide third-party verification.
The safe swap
Better Homes & Gardens
Better Homes & Gardens 19 inch x 18 inch Rectangle Outdoor Seat Pad Cushion, 1-Piece, Medallion
75/100 safety
Still want this one anyway? Check the price on Amazon. We’d swap it.
Material
Sunbrella acrylic fabric with water-repellent coating treatment
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Waterproof / stain-resistant treatment
water-repellent coating treatments have historically used PFAS.
Category baseline
furniture is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
Sunbrella cushion covers are made from solution-dyed acrylic fabric, a synthetic polymer chosen for UV and mildew resistance. The fabric is treated with a water-repellent coating (water-repellent coating) finish to shed rain and stains; Sunbrella does not publicly disclose whether this treatment contains PFAS compounds, which are standard in outdoor textile water-repellent chemistry. Acrylic fiber itself is stable and does not leach monomers or known toxins under normal use, but the finish and any applied flame retardants are the primary chemical concern.
The brand's record and disclosure
Sunbrella, owned by Glen Raven, is a well-established outdoor textile brand with no recorded product recalls for chemical hazards. However, the company has not published transparency reports on PFAS use, flame retardant formulations, or third-party chemical testing of its cushion covers. Sunbrella markets durability and UV resistance heavily but remains silent on the chemistry of finishing treatments, which is common among outdoor furniture manufacturers but limits independent verification of safety claims.
How it compares in its category
Sunbrella cushion covers occupy the premium segment of outdoor fabric covers; they are more durable and fade-resistant than mass-market polyester alternatives, which often use cheaper water-repellent coating and flame retardant formulations. Compared to untreated natural fiber covers (cotton, linen) or PFAS-free synthetic options marketed by some smaller brands, Sunbrella's chemical composition is less transparent. Most outdoor cushion covers in this price range receive similar finishing treatments, so Sunbrella is representative rather than exceptional in its chemical footprint, though its brand longevity suggests consistent quality control.
If you buy it
Wash cushion covers in cold water with mild detergent and air-dry; avoid high heat or machine drying, which can degrade the water-repellent coating finish and potentially volatilize finishing chemicals. Do not dry clean or use strong solvents, as these may strip or alter the water-repellent coating. Inspect covers annually for staining, fading, or coating wear; replacement is typically warranted after 5-7 years of outdoor exposure or sooner if the water-beading property is visibly lost. Store covers indoors during off-season to extend life and reduce UV degradation of the acrylic fiber.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
water-repellent coating (water-repellent coating) finish chemistry - PFAS status unknown
Sunbrella does not disclose whether its water-repellent coating treatment uses PFAS or fluorine-free alternatives. water-repellent coating finishes on outdoor textiles are historically PFAS-heavy; without explicit confirmation, assume possible PFAS presence. This is graded separately per your PFAS framework (30/100), but the undisclosed finish is a material gap in product transparency.
Flame retardant treatment (if present)
Many outdoor cushion covers are treated with brominated or phosphorus-based flame retardants to meet flammability standards. Sunbrella does not specify treatment type or chemical identity for these covers. No recalls or contamination reports are on record, but absence of disclosure prevents risk assessment; acrylic fiber itself is inherently flame-resistant, so treatment rationale is unclear.
Acrylic fiber degradation and microfiber shedding
Synthetic acrylic fabrics shed microfibers during wear and washing, though Sunbrella's tight weave and outdoor use (not against skin) minimize direct exposure. Washing releases microplastics into wastewater; this is an industry-wide concern for synthetics, not unique to Sunbrella, but relevant to end-of-life environmental impact.
Colorant and dye stability
Sunbrella solution-dyes its acrylic, meaning pigment is integrated into the fiber during manufacturing rather than applied topically. No reports of azo dye contamination, heavy metal dyes, or color-bleed toxicity exist for this brand. Fading and UV degradation occur cosmetically but do not generate known chemical hazards.
Off-gassing and VOC release
Acrylic fabric and standard water-repellent coating finishes do not typically release volatile organic compounds (VOCs) at room temperature or during normal outdoor storage. Sunbrella covers are not stored indoors near sleeping areas, limiting inhalation concern. No off-gassing complaints or test data are on record for this product line.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 45% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Waterproof Outdoor Cushions
Better Homes & Gardens
19 inch x 18 inch Rectangle Outdoor Seat Pad Cushion, 1-Piece, Medallion
polyester fabric fill, cotton cover
Lower concern. No PFAS-prone treatments reported for cushion.
⚠Risky category by default
West Elm
Cut Garden Flowers Pillow Cover
100% cotton canvas
Lower concern. Plain cotton pillow cover unlikely to contain PFAS.
⚠Risky category by default
West Elm
Outdoor Knotted Border Pillow
outdoor pillow, likely synthetic fibers or polyester blend
Outdoor pillow with no disclosed PFAS or water-repellent coating treatment info.
⚠Risky category by default
More waterproof outdoor cushions grades
How we score: every product runs through the same public 0–100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.