Our RX33/160 White Standard Cushions have a medium–firm feel ✅. Cushions up to 4″ thick feel comfortably medium, while 5″+ cushions become firmer and more supportive. Durable, versatile, and great for both home and light contract use.
Perfect for sofas, chairs, window seats, campervans, and boats. Order through our Foam Cut to Size service for cushions tailored exactly to your measurements.
Not the right fit? Explore our full range of ready-made options here:⬅️ Standard Size Foam Cushions
£8.88 – £514.51
“Not sure which grade is right for you? Read our Understanding Foam Grades Guide for expert advice.”
At Foam4U, our RX33/160 White Standard Cushions offer a medium–firm feel ✅, making them a versatile and practical choice for a wide range of seating projects. This grade is particularly popular when you need cushions that are comfortable yet supportive without being overly hard.
In thinner cushions up to 4″ thick, RX33/160 feels comfortably medium, giving just the right amount of give. When used in 5″ or thicker cushions, it becomes noticeably firmer, creating a supportive, long-lasting base that still maintains a touch of comfort.
✅ Medium–firm feel – balanced comfort and support✅ Thickness-sensitive – medium in thinner cushions, firm in thicker ones✅ Durable & resilient – retains its shape with everyday use✅ Versatile grade – suitable for domestic and light contract projects✅ Reliable quality – proven performance across multiple applications
🛋️ Sofa & Armchair Cushions – everyday comfort with good support🌤️ Window Seats & Bay Cushions – medium in thinner bases, firmer in thicker ones🚐 Campervans & Caravans – supportive foam for travel seating⛵ Boat Cushions – dependable performance in demanding environments✂️ Custom Upholstery Projects – a trusted, adaptable grade
20" x 22", 20" x 27", 22" x 27"
2", 3", 4", 5"
1, 5, 10, 25
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