Sunbrella · Waterproof Outdoor Cushions
SUNBRELLA Canvas Outdoor fabric Cushions Covers. Sunbrella custom outdoor covers.
Unknown PFAS content in water-resistant treatment. Request material disclosure.
Sunbrella Canvas uses durable solution-dyed acrylic with stain and water resistance. Brand does not disclose PFAS use in water-repellent coating finishes; contact them for transparency on treatment chemicals.
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
Solution-dyed acrylic 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 Canvas uses solution-dyed acrylic fiber, meaning colorant is mixed into the polymer before extrusion rather than applied afterward. This construction generally reduces surface dye migration and off-gassing compared to surface-dyed fabrics. The fabric receives a water-repellent coating (water-repellent coating) finish to shed moisture and resist staining; the chemistry of this treatment is not publicly disclosed by Sunbrella and is the primary unknown in this product's safety profile.
The brand's record and disclosure
Sunbrella is owned by Glen Raven and is a well-established outdoor textile manufacturer with GREENGUARD certification for some product lines, indicating third-party vetting for VOC emissions. However, the company does not publicly disclose whether its water-repellent coating treatments contain PFAS, fluorine chemistry, or alternatives like wax-based water repellents. This silence is notable given industry-wide pressure to abandon PFAS in outdoor textiles; competitors like Crypton and some Sunbrella alternatives have begun offering PFAS-free certifications.
How it compares in its category
Solution-dyed acrylic cushion covers are positioned as mid-to-premium outdoor textiles. They outperform solution-dyed polyester and PVC in terms of breathability and lower off-gassing risk, but lag behind emerging alternatives like solution-dyed polypropylene or certified PFAS-free water-repellent coating treatments. Sunbrella's brand premium and durability are legitimate; the trade-off is that durability often correlates with persistent water-repellent coating chemistry, which may or may not include legacy PFAS.
If you buy it
Store covers in a dry location and avoid prolonged direct sunlight to extend water-repellent coating efficacy and prevent UV degradation of acrylic fibers. Clean with mild soap and water; avoid solvents or high-heat pressure washing, which can degrade the water-repellent coating layer and potentially mobilize treatment residues. Request a material safety data sheet (MSDS) or contact Sunbrella directly asking whether the water-repellent coating is PFAS-based; this disclosure is becoming standard practice. Expect to replace covers every 5-7 years depending on weather exposure.
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.”
Flame retardant treatment or antimony in synthetic fibers
Sunbrella acrylic cushion covers are not marketed with added flame retardants, and solution-dyed acrylic has inherent flame resistance. No public record of antimony contamination in Sunbrella products. Not a known concern for this material class or brand.
VOC and formaldehyde off-gassing
Solution-dyed acrylic generally poses lower VOC risk than surface-dyed fabrics or PVC. However, the undisclosed water-repellent coating finish may off-gas organic volatiles during initial use or when heated. Sunbrella's GREENGUARD certification for some lines suggests compliance testing, but not all Canvas products carry this label.
Dye migration and azo dye risk
Solution-dyed construction minimizes surface dye bleed, but Sunbrella does not publicly certify its dyes as azo-free or meeting Oeko-Tex standards. Risk of dye transfer to skin or other fabrics is low but not ruled out, especially on lighter or white covers after washing.
Coating degradation and microparticle shedding
Acrylic textiles can shed microfibers when brushed or washed, and water-repellent coating coatings can degrade unevenly, releasing particulates. Sunbrella's durability rating reduces this risk relative to budget outdoor fabrics, but covers still warrant gentle handling and infrequent washing.
Unknown water-repellent coating chemistry (non-PFAS hazards)
If the water-repellent coating is based on alternative chemistries (fluorocarbon-free wax, polyurethane, or silicone), skin contact risk is minimal. If PFAS is present, inhalation and potential bioaccumulation remain theoretical but unquantified. Lack of disclosure prevents full hazard characterization.
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.