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Square and rectangle feather or fibre back cushion interiors made to measure for sofa and chair covers, with soft plump filling options.

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European 302 Duck Feather

85/15 Feather & Down

70/30 Feather & Down

100% Hollow Fiber Back Cushions

100% Hollow Fiber Seat Cushions

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Replacement Square & Rectangle Feather or Fibre Back Cushions

Made to Measure Back Cushion Interiors for Sofa & Chair Covers

Refresh your sofa, chair or loose-cover furniture with made to measure square and rectangle feather or fibre back cushion interiors, designed to give tired back cushion covers a fuller, softer and more relaxed look.

This product is for customers who already have square or rectangle back cushion covers and need new interiors made to fit. Simply enter your cushion cover sizes into the calculator boxes provided, choose your preferred filling type, and we will calculate the correct amount of feather or fibre filling required for your cushion.

Back cushions are different from seat cushions. They normally need a softer, more relaxed feel, with enough loft to fill the cover properly without becoming too hard, overpacked or uncomfortable. Feather and fibre back cushions are ideal for sofas, armchairs, loose-cover furniture and traditional seating where comfort and appearance both matter.

Unlike foam interiors, feather and fibre cushions are designed to sit with a softer, plumper loft. They create a fuller-looking back cushion with a more relaxed finish, making them ideal for customers who prefer a softer feel rather than the firmer, more structured shape of foam.

Choose from 5 Feather & Fibre Filling Options

This square and rectangle back cushion range includes five filling choices, giving you options for comfort, look, support and budget.

European 302 Duck Feather

A quality feather filling option with a traditional soft feel and good natural loft. Ideal for customers who want a relaxed, plump back cushion with a classic feather finish.

85/15 Feather & Down

A premium blend containing 85% feather and 15% down, giving a softer, more luxurious cushion feel. A good choice where comfort and a fuller appearance are the main priorities.

70/30 Feather & Down

A softer, more luxurious blend containing 70% feather and 30% down. This option provides a fuller, more indulgent feel with a relaxed, premium finish.

100% Hollow Fibre Back Cushions

A synthetic fibre option designed for customers who prefer a feather-free back cushion interior. Hollow fibre provides a soft, plump feel and is suitable for back cushions where a lighter, fibre-filled finish is required.

100% Hollow Fibre Seat Cushions

Although this product is aimed at square and rectangle back cushions, hollow fibre seat cushion filling is also available within the wider feather and fibre range for customers matching seat and back cushion interiors.

How to Measure for the Best Fit

For the most accurate result, measure your empty cushion cover, not the old cushion interior.

Lay the cover flat and measure seam to seam across the width and height of the cover. Do not pull the cover tight, and do not measure the old feather, fibre or foam insert, as old interiors can become misshapen, compressed or stretched over time.

Enter the cushion cover measurements into the calculator boxes provided. We will then use those cover sizes to calculate the correct amount of filling needed to create the right finished cushion loft.

Important: Swapping from Foam to Feather or Fibre

If you are replacing old foam back cushion interiors with feather or fibre, please contact us before ordering.

Foam and feather/fibre cushions behave very differently. Foam is cut to a fixed size and gives a firmer, more structured shape. Feather and fibre fillings need room to loft, move and settle inside the cover. In some cases, the correct sizing may need adjusting depending on the cover style, border width, fabric type and the level of fullness you want.

A quick conversation before ordering can help avoid a back cushion that feels too full, too flat or simply wrong for the cover. It is old-fashioned advice, but good advice: measure twice, order once.

How We Estimate the Correct Filling Loft

Feather and fibre cushion interiors are usually made to look fuller than foam equivalents. Rather than simply copying the thickness of an old foam pad, we estimate the required loft based on the cushion cover size and border depth.

As a guide, a cushion cover with a 7.5cm border may require a finished cushion loft of around 15cm to achieve the correct plump appearance. This is because feather and fibre fillings compress, settle and spread differently from foam.

That is why we ask customers to enter the actual cushion cover sizes into the calculator. We then internally calculate the correct level of filling needed to suit the cover, rather than expecting customers to work out the filling volume themselves.

Daily Maintenance Is Essential

Feather and fibre cushions need regular care. They are not fit-and-forget products like firmer foam interiors.

To keep them looking and feeling their best, you should plump, shake and turn them daily. This helps redistribute the filling, maintain support, restore shape and prevent the cushion from becoming flat, lumpy or uneven.

This is completely normal for feather and fibre back cushions. If you want a very structured cushion with minimal maintenance, foam may be the better option. If you prefer a softer, fuller, more relaxed cushion and are happy to dress it regularly, feather or fibre is a lovely choice.

Is Feather or Fibre Right for Your Back Cushions?

Choose feather or feather/down if you want:

A soft, relaxed cushion feel
A fuller, more traditional cushion appearance
A cushion that can be plumped and shaped
A less rigid finish than foam
A luxury sofa or chair cushion look

Choose hollow fibre if you want:

A feather-free alternative
A lighter synthetic filling
A soft, plump cushion feel
A practical option for everyday back cushions

For firmer support, sharper edges or a more structured back cushion, you may be better suited to foam replacement cushion interiors instead.

Where Square & Rectangle Back Cushions Are Commonly Used

Replacement square and rectangle feather or fibre back cushion interiors are ideal for:

Sofa back cushions
Armchair back cushions
Loose-cover furniture
Traditional chairs
Large rectangular back cushions
Loose scatter-style back cushions
Furniture restoration projects
Soft furnishing projects

Need Help Before Ordering?

If you are unsure which filling to choose, or you are changing from foam to feather or fibre, please contact us before placing your order. We can advise on sizing, filling choice and the best option for your cushion covers.

Feather and fibre back cushions can transform the look and feel of a sofa or chair, but the right result depends on the correct measurements, the right filling and realistic expectations about daily plumping and maintenance.