Outdoor Bench Cushion 42x18 in Waterproof Patio Cushion - Non-Slip

In this review the Outdoor Bench Cushion 42x18 in is judged on comfort, weather resistance and everyday practicality. It is aimed at homeowners who want a simple, durable cushion for garden benches, porches or swings; the single biggest reason to buy is its double waterproof polyester with a TPU coating that keeps the fill dry and the fabric looking fresh after outdoor use. The cushion balances resilience and portability with anti-slip ties and a carry handle, making it an easy upgrade for outdoor seating that needs routine cleaning and weather protection.

Key Features

• Waterproof construction: The double waterproof polyester with a high-density TPU coating resists rain, helping the cushion stay dry and usable after wet weather.
• Comfortable fill: High-density K6 sponge offers good dynamic resilience so the cushion feels supportive without collapsing quickly over time.
• Stable fit: Two anti-slip ties keep the cushion anchored to a bench or porch swing to reduce shifting during use.
• Easy to carry: A built-in handle makes it simple to move the cushion between storage and seating areas or reposition it on different furniture.
• Simple cleaning: A U-shaped zipper design allows the cover to be removed for washing, reducing maintenance time and keeping the cover fresh.
• Fade-resistant fabric: High color fastness means the cushion maintains its appearance despite sun exposure and routine outdoor use.

Who It's For

The cushion is best for people who use outdoor benches, porch swings or small loveseats and need a weather-ready pad that is easy to clean and transport. It suits homeowners who prioritize practicality and durability over plush, indoor-style cushioning, and those who want a neat, colorfast look for patios and gardens.

It is not ideal for users seeking very thick, pillow-like seating or custom foam profiles; if extreme thickness or upholstery-grade trims are required, a specialist indoor cushion or custom shop would be a better choice.

Pros & Cons

Pros

• Durable waterproof fabric with TPU coating protects the interior from rain and spills.
• High-density K6 sponge maintains shape and provides consistent comfort for extended use.
• Anti-slip ties and carry handle add stability and portability for everyday outdoor use.
• U-shaped zipper makes the cover easy to remove and clean, preserving appearance over time.

Cons

• Pad thickness opinions are mixed among users, so those wanting a very plush cushion may find it firmer than expected.
• Only two size options are available, so some benches may require careful measuring to ensure a proper fit.

Specifications

Brand	Olliwand
Available sizes	42x18 in and 45x18 in
Fabric	100% waterproof polyester with TPU coating
Fill	High-density K6 sponge
Anchoring	2 anti-slip ties
Cleaning	U-shaped zipper for removable cover
Extras	Portable carry handle

Our Verdict

The Outdoor Bench Cushion 42x18 in is a practical, weather-ready choice for outdoor seating that needs reliable water resistance and a stable fit. It offers good value for patios and porches thanks to its TPU-coated fabric, resilient K6 sponge and user-friendly features like ties and a removable cover. Buy it if you want durable, low-maintenance cushions that keep their look outdoors; consider thicker alternatives if you need very plush seating.

Frequently Asked Questions

Will this cushion handle rain?
The double waterproof polyester with a high-density TPU coating is designed to resist rain and keep the interior drier than standard covers.

Can the cover be washed?
Yes, the U-shaped zipper allows the cover to be removed for cleaning to maintain appearance and hygiene.

How does it stay in place?
Two anti-slip ties help anchor the cushion to a bench or swing to reduce movement while sitting.