Outdoor Bench Cushions 42 x 18 in Thick Waterproof Porch Swing

In this review the Outdoor Bench Cushion 42 x 18 in stands out for anyone who wants a simple, durable upgrade for a porch swing or metal bench; the single biggest reason to buy is the combination of waterproof fabric and long-lasting color that holds up in direct sun. The reviewer found the pad comfortable immediately, with enough thickness and resilience to prevent bottoming out, and the hidden zipper and ties keep it tidy on benches and swings. For those seeking a reliably weatherproof seat pad that still looks neat after months outside, it earns a clear recommendation.

Key Features

• UV FADESHIELD: Solution-dyed fibers lock color into the fabric so the cushion keeps vibrant tones and resists fading for up to five years in heavy sun exposure.
• Total Waterproof Fabric: A TPU coated layer and high-density oxford shell make the cover fully waterproof, protecting the 30D sponge filling from light rain and spills.
• 30D High Resilience Sponge: The dense foam delivers firm yet forgiving support that reduces bottoming out and eases pressure on the lower back during long sittings.
• Non-Slipping Performance: Two sewn ties and a hidden zipper keep the cover secure and the cushion in place on swings and benches without visible fasteners.
• Boxed Piping Edges: The reinforced edges maintain shape and give a tailored appearance that fits metal and wooden benches well.

Who It's For

This cushion is well suited to homeowners who use a porch swing, metal outdoor bench or wooden patio seating and need a waterproof, fade-resistant pad that fits a 42 x 18 in seat. It's a good pick for people who want low maintenance outdoor cushions that stay in place thanks to tie straps and that retain color for years in sunlight.

It is less appropriate for those seeking a plush, deep-cushion luxury seat or for indoor-only decorative cushions where fabric texture and softness would be prioritized over waterproofing and UV resistance.

Pros & Cons

Pros

• Sturdy construction and quality sewing result in a durable cushion that customers report as lasting and well made.
• Excellent color quality from solution-dyed fabric so the pad looks good after prolonged sun exposure.
• Practical features like a hidden zipper and ties keep the cover neat and the cushion stable on a bench or swing.
• Comfortable support from the 30D high resilience sponge that avoids bottoming out.

Cons

• Firmness may be too dense for shoppers who prefer very soft, plush seating rather than supportive pads.
• Only one cushion is included per package, so larger benches may require multiple purchases to cover full seating.

Specifications

Brand	Comcaver
Size	42 x 18 x 3 in
Fabric	High density oxford with TPU waterproof coating
Filling	30D high resilience sponge
UV Resistance	Solution-dyed fibers - up to 5 years color fastness
Attachment	2 ties and hidden zipper cover

Our Verdict

For outdoor seating that needs to withstand rain and sun without frequent replacement, this 42 x 18 in bench cushion is a dependable, good-value choice. The waterproof shell and fade-resistant dyeing justify the modest cost for anyone who wants durable, tidy-looking cushions on a porch swing or metal bench, while the resilient sponge provides lasting comfort rather than sink-in softness.

Frequently Asked Questions

Is this cushion fully waterproof?
The cover uses a TPU coating and high density oxford fabric, making the cushion effectively waterproof against light rain and spills; the filling is protected when the cover is intact.

Will the color fade after a season in the sun?
The solution-dyed fabric is made for UV resistance and is rated to maintain color fastness for up to five years under heavy sun exposure.

Does this fit most porch swings and benches?
The reviewed size is 42 x 18 x 3 in and fits many common metal and wooden benches; ties help secure the pad but larger benches may need multiple cushions.