Fiberbuilt Custom Cushion Box Welt Seat Cushion
Best durable upgrade for homeowners refreshing their outdoor patio seating.
Elevate your outdoor living space with the Fiberbuilt Custom Cushion Box Welt Seat Cushion. Crafted from durable Sunbrella spectrum fabric in a natural hue, this cushion offers exceptional comfort and style for any patio setting. It features high-density foam fill for a supportive and comfortable seating experience. Manufactured with high-quality production methods, this cushion is designed for longevity and to enhance your outdoor furniture. Perfect for upgrading chairs or benches, it brings both comfort and a touch of elegance to your patio.
$114.50
Owner Satisfaction
4.7
/ 5
Category Rank
2
/ 465
#2 in Chair & Sofa Supports
Price vs Category Average
-66%
Below average
Dimensions
20172.5
/ x x inches
Who it's for
- Homeowners seeking a polished, bespoke furniture appearance
- Designers prioritizing long-term shape retention and structural support
- Quality-focused buyers investing in durable, weather-resistant comfort
Who should skip it
- Impatient buyers requiring immediate furniture upgrades
- Risk-averse customers worried about measurement errors or returns
- Budget-conscious shoppers needing affordable, off-the-shelf solutions
Performance breakdown
Fabric Durability
Sunbrella spectrum fabric provides industry-leading resistance to wear and tear.
Seating Support
High-density foam core maintains shape and provides firm, consistent comfort.
Weather Resilience
Lack of water and UV resistance limits exposure to harsh elements.
Maintenance Ease
Non-washable cover makes spot cleaning the only viable maintenance option.
Build Quality
Expert American manufacturing ensures precise construction and long-lasting seams.
Design Versatility
Neutral aesthetic integrates seamlessly into most existing patio furniture styles.
Key Specs
Dimensions
20 x 17 x 2.5 inches
Material
Sunbrella spectrum fabric
Fill Material
High Density Foam
Made in the USA
Yes
Assembled Product Width
17 inches
Depth
20 inches
Thickness
2.5 inches
Shape
Rectangle
Features
- Adds comfort to outdoor seating
- Durable Sunbrella spectrum fabric
- High-quality production methods
- Designed for outdoor use
- Comfortable high-density foam fill
- Stylish natural color
- Enhances patio furniture
What customers say
Customers overwhelmingly view this custom cushion as a premium, long-term investment defined by exceptional quality and a precise fit. The box welt construction provides a sophisticated, tailored aesthetic that significantly elevates outdoor furniture. Reviewers consistently praise the superior density and resilience of the foam, noting it maintains shape and comfort despite prolonged exposure. While the high price point and lengthy lead times require patience, the consensus is that the superior craftsmanship and durability ultimately justify the premium cost. This product is seen as a substantial, lasting upgrade, delivering deep satisfaction rooted in receiving a perfectly tailored, high-end item built for years of use.
Know before you buy
This cushion measures 20 inches in depth, 17 inches in width, and has a thickness of 2.5 inches.
No, the cover is not designed to be removed, and the cushion is not machine washable. We recommend spot cleaning with mild soap and water to maintain the fabric.
The high-density foam is engineered to provide firm, consistent support that resists flattening, ensuring the cushion retains its shape even with regular outdoor use.
While the Sunbrella fabric is durable and suitable for outdoor environments, this specific cushion is not rated as waterproof. It is best to store it in a covered area during heavy rain to protect the foam interior.
Yes, the rectangular shape and standard dimensions make it a versatile fit for most patio chairs or benches. We recommend measuring your existing seat frame to ensure the 20-by-17-inch footprint aligns with your furniture.
Still have a question?
Ask Hayley anything about this product before you decide.