How to use our duvet fasteners

Close up of Duvet Fasteners with a Duvet | scooms

All scooms duvets come with button holes so that any scooms duvet can be paired with another scooms duvet of the same size using our easy to use duvet fasteners / duvet clips. 




Our All season duvets are made up of two duvets, a lighter tog duvet (4.5 tog or 2.5 tog) and a warmer tog duvet (9 tog or 4.5 tog). The two duvets can be attached to each other with our duvet fasteners, so that you can create a warmer tog duvet. (Also called a 3 in 1 duvet.)

All our all season duvets come with a full set of 16 fasteners, or 12 fasteners for our single size duvets, plus 3 spare.



Our duvet fasteners are like duvet cufflinks or poppers; two separate pieces that pull apart and snap together. The easiest way to part them is to push up diagonally on one side of the fastener. You can do this from the middle of the fastener using the duvet material if it's more comfortable.

How to join two duvets together - To fix your two duvets together, lay one on top of the other so that the button holes match, then attach each part of the fastener to the outer sides of each button hole and push/snap the fasteners together. 

We recommend attaching one fastener to each duvet corner and then 3 on each side for double, king and super king size duvets.

The duvet clips are not attached to the duvet so you can remove them and use them with any other duvet combination.



We recommend removing your fasteners before washing or laundering your duvet.



All our All season duvets come with a full set of fasteners plus 3 spare fasteners. We provide extra or replacement fasteners with no charge on request.

Email us if you need extra fasteners at



Our smallest duvets come in single sizes:


In double sizes we make:


In king sizes we make:


Our largest duvet is a super king size which we make in:



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Bedding size guide


These are standard UK bedding measurements so if you know your mattress size, you can easily work out which duvet size you need. (Width x length.)

UK sizes Duvet size Mattress size
Single 135 x 200cm (53 x 79") 90 x 190cm
Double 200 x 200cm (79 x 79") 135 x 190cm
King 225 x 220cm (89 x 87") 150 x 200cm
Super king 260 x 220cm (102 x 87") 180 x 200cm 

US/CANADA BEDDING SIZES: Approximate matches to UK sizes are US King/UK Super king, US Queen/UK King,  US Full/UK Double and US Twin/UK Single.

EUROPEAN BEDDING SIZES: Each size - Single, Double, King and Grand king - is a little larger than the UK equivalent.

Measure your mattress to see which size bedding you need: our UK v European v US mattress comparison guide.



Young children can overheat so if they are old enough to use a full size bed, we recommend using a single size 4.5 tog duvet.

 Tog rating Season / heat Feel
2.5 tog High summer / hot sleepers Light thermal insulation
4.5 tog Summer Lower thermal insulation
9 tog Spring & Autumn Cosy medium heat
All season 13.5 tog 4.5 tog + 9 tog Very warm
All season 11.5 tog 2.5 tog + 9 tog Warm
All season 7 tog 2.5 tog + 4.5 tog Lower warmth



Our goose down duvets have high 700 fill power. Fill weight is measured in GSM (grams per square metre). For example view our 9 tog king size goose down duvet for more duvet details.

Fill weight (not total duvet weight)
Single All seasons - 788gsm
9 tog - 486gsm 
4.5 tog - 302gsm 
2.5 tog - 220gsm
Double All seasons - 1168gsm
9 tog - 720gsm
4.5 tog - 448gsm
2.5 tog - 320gsm
King All seasons - 1478gsm
9 tog - 911gsm
4.5 tog - 567gsm
2.5 tog - 400gsm
Super king All seasons - 1671gsm
9 tog - 1030gsm
4.5 tog - 641gsm
2.5 tog - 480gsm



Our pillows come in two sizes and provide medium support. (Width x length.)

Standard  50 x 75cm
King 50 x 90cm



Our fitted sheets are deep fit, up to 40cm / 15.7" mattress depth. And our duvet covers fasten with large, easy to use buttons. (Width x length.)

Duvet cover Fitted sheet Flat sheet Pillowcase (pair)
Single 140 x 200cm 90 x 190cm 180 x 275cm
Double 200 x 200cm 135 x 190cm 230 x 275cm 50 x 75cm (Standard)
King 230 x 220cm 150 x 200cm 275 x 275cm 50 x 90cm (King)
Super king 260 x 220cm 180 x 200cm 305 x 275cm

£10 off your 1st order over £200

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