Our are the softest seating-grade foam we offer ✅. Perfect for thicker cushions where other foams feel too firm, or as a soft topper layered over a firm base to create a plush, comfortable seat.
Ideal for sofas, chairs, window seats, campervans, boats, and bespoke upholstery. Order now through our Foam Cut to Size service for cushions tailored exactly to your needs.
Not the right fit? Explore our full range of ready-made options here:⬅️ Standard Size Foam Cushions
£9.54 – £589.36
“Not sure which grade is right for you? Read our Understanding Foam Grades Guide for expert advice.”
At Foam4U, our RX36/110 White Foam Cushions are the softest seating-quality foam we supply ✅. Designed for projects where a very soft and yielding cushion is required, this grade delivers maximum comfort with a plush, sink-in feel.
Best suited for thicker cushions, RX36/110 prevents that “too firm” sensation that denser foams can create. It can also be layered as a soft topper over a firmer foam base, combining durability with enhanced comfort. This makes it a flexible and popular choice for both domestic and bespoke upholstery.
✅ Softest seating grade – plush and yielding comfort✅ Ideal for thicker cushions – prevents an overly firm feel✅ Layering option – use as a comfort pad over firmer foam✅ Durable yet gentle – maintains softness while resisting breakdown✅ Versatile use – from relaxed seating to custom builds
🛋️ Sofa & Armchair Cushions – when only a soft sit will do🌤️ Window Seats & Bay Cushions – plush comfort for longer lounging🚐 Campervan & Caravan Seating – softer bases for added relaxation⛵ Boat Cushions – comfort without compromising durability✂️ Bespoke Upholstery Projects – perfect for layering or soft seat builds
20" x 22", 20" x 27", 22" x 27"
2", 3", 4", 5"
1, 5, 10, 25
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