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100% Virgin Hollow Fibre – Soft, Supportive & Hypoallergenic Cushion Filling Our 100% Virgin Hollow Fibre is a premium-quality synthetic filling, ideal for cushion inserts, upholstery projects, and soft furnishings. Manufactured using brand-new, non-recycled polyester fibres, it offers exceptional loft, softness, and durability — all while remaining lightweight and allergy-friendly.
FROM £10.00
Got a back cushion that’s wider at the front and narrower at the back? Our Fibre Back Cushions (Equal Sided Taper) are the ideal fix for sagging, deflated, or uncomfortable sofa backs — especially on shaped, angled, or built-in seating. Whether you’re replacing a DFS backrest, restoring an IKEA sofa with tapered cushions, or refitting bespoke lounge seating, we create custom fibre cushion inserts to match your exact cover shape and dimensions.
Each insert is carefully hand-filled with premium hollow polyester fibre, giving you a soft, supportive feel with that “sink-in” comfort so many people love. The equal taper shape — where both side edges angle in evenly — requires precise filling to avoid gaping or twisting. That’s why we size every cushion to your empty cover, not your old pad, and fill it to ensure a plump and professional finish.
Tapered cushions are often used in:
Corner sofas with angled backs
Built-in bench seating with equal-sided taper shapes
Custom window seats or alcove furniture
Campervan backs and bay window setups
Sofas from DFS, SCS, IKEA, Sofology, and John Lewis with shaped backs
No matter the application, if your back cushion has a wider front edge and angled sides that narrow toward the back, this is the insert you need.
Our fibre-filled back cushions are a popular alternative to feather or foam. The high-loft polyester fibre provides a soft, squashy feel — ideal for back support — without the allergy issues of natural feather or the stiffness of firm foam. Regular fluffing keeps the shape looking smart, and if you do it daily, they’ll stay plump for years.
Benefits include:
🌱 Hypoallergenic & Vegan-Friendly – No feathers, no worries
🛋 Soft & Pillow-Like Feel – Perfect for relaxed back support
🔁 Easy Maintenance – A quick fluff keeps them looking fresh
💷 Great Value Alternative – More affordable than foam or feather
🇬🇧 Made in the UK – Fast turnaround with delivery across the UK
We don’t work from old inserts. We size your replacement fibre back cushion from the empty cover only, ensuring it fills the shape correctly — especially important with angled, equal-sided taper cushions. You can provide your own measurements, or better still, post us the cover for our free fitting service.
We shape, fill, and finish each cushion for:
Equal taper angles
Precise depth and seam-to-seam sizing
Seam alignment to avoid twisting or bulging
Even loft from edge to edge
1️⃣ Measure your empty cushion cover across the front width, back width, depth, & Front to back measurement — or just send the cover to us.2️⃣ Let us know if you prefer a standard fill or something firmer or fuller.3️⃣ We’ll make your custom fibre back cushion to size, angle, and finish.4️⃣ Receive your new cushion, insert it into your cover, and enjoy that comfy, structured backrest again.
If you’re battling saggy cushions, awkward gaps, or backrests that just don’t look right anymore, our Equal Sided Taper Fibre Back Cushions are the smart solution. They’re allergy-friendly, cost-effective, and tailored to fit even the most specific angled designs.
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