Update your browser for a better shopping experience!

Get faster load times, stronger security and access to all features.

M&S

Supremely Washable Extra Deep Mattress Protector

£25 - £39.50

Colour

Size

Free standard delivery over £60

Product code: T359106M

Perfect for avoiding everyday spills and stains, our mattress protector is great for keeping your mattress looking its best and extending its life. A stretch skirt design will fit mattresses up to 38cm deep, keeping it firmly in place throughout the night. Making cleaning hassle-free, our mattress protector is machine washable for straightforward maintenance, and can be washed, dried and back on the bed in one day.

Product details

Item details

Fits mattresses up to 38cm depth

Safety Warning

Keep away from fire and flames

Features

Our quick drying filling means you can wash, dry and put it back on the bed in the same day

Composition

Outer - 100% polyester , Filling - 100% polyester , Skirt - 100% polyester

Care

Wash at 40°C

Do not bleach

Tumble dry low temperature

Do not iron

Do not dry clean

Delivery, collection & returns

Delivery

Standard

UK Standard Delivery is available for £3.99 or free on orders over £60 (excluding furniture).

Nominated Day

UK Next Day Delivery and UK Nominated Day Delivery (excluding Northern Ireland) are available for £5.99 (excluding furniture)

Collection

Collect from store

Store collection is free on all fashion, home and beauty orders.

Returns

UK returns

Free

Exclusions apply

Full delivery and collection informationOur returns policy

Reviews (578)

4.7

79% Recommended this product

Mentions
05 December 2025Jejo71
Verified Purchase

Good quality sheet

Yes, I recommend this

This sheet is of good quality. No having to stretch it over the corners as can sometimes happen.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

01 December 2025funwithfashion
Verified Purchase

Good fit

Yes, I recommend this

I have previously bought a "deep" mattress protector which turned out to be anything but so I am very pleased that this one fits my super king bed perfectly. As it is a recent purchase, it has not yet been laundered so cannot comment on the "supremely washable" description but keeping fingers crossed!

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

27 November 2025JMM47
Verified Purchase

Great quality

Yes, I recommend this

Good fit, good quality, very pleased with product.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

12 November 2025Callshopper
Verified Purchase

good quality

Looks good quality but not used yet so can't say how well it fits or wears

Helpful?

10 November 2025Bevelata
Verified Purchase

Great quality

Yes, I recommend this

Exactly as described, excellent quality & great value

Helpful?

05 November 2025suzzane
Verified Purchase

I alway buy them when you have 20% off

Yes, I recommend this

They wash really well and keep there shape. Extremely comfortable.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

03 November 2025Enna Nedloh
Verified Purchase

Good quality

Mattress protector fits well, bed feels very cosy with it under the sheet. Would recommend.

Helpful?

01 November 2025Lightweight 1
Verified Purchase

Mattress protector

Yes, I recommend this

Fantastic product…wouldn’t be without one…washes perfectly!

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

29 October 2025jaksijax
Verified Purchase

Great mattress protector.

Yes, I recommend this

Nice stretchy sides to accomodate the v deep mattress we bought (30cm) seems perfect.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

24 October 2025Joey by
Verified Purchase

Fits well

Yes, I recommend this

This cover fits well,but wish it was cotton,but it is not.

Reviewer Ratings

Comfort

Good

Helpful?

Reviewer Ratings

Comfort

Good

14 October 2025Nonna70
Verified Purchase

Really soft

Yes, I recommend this

Nice quality , very deep so it covers well on a deeper mattress & good price ..would recommend

Helpful?

13 October 2025modern60s
Verified Purchase

Good quality

Yes, I recommend this

Good quality , comfortable and fits the bed easily

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

11 October 2025loveshoppingalways
Verified Purchase

Great quality nice deep sides

Yes, I recommend this

New bed so new mattress protector needed great quality

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

08 October 2025Carolk123
Verified Purchase

Great quality

Yes, I recommend this

Perfect item, just what I was looking for to protect our new mattress

Helpful?

07 October 2025HelenHarg
Verified Purchase

Pleased with purchase

Just bought a new, expensive mattress so wanted to make sure it was protected. This fits my large very deep mattress well. Not had any spillages to check out the protector part. Very happy with purchase.

Reviewer Ratings

Comfort

Good

Helpful?

Reviewer Ratings

Comfort

Good

06 October 2025LoveReading77
Verified Purchase

Great quality

Yes, I recommend this

Great quality item. Would definitely recommend for cool cosy nights sleep!

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

26 September 2025Carian123
Verified Purchase

Perfect!

Yes, I recommend this

Arrived quickly and does the job perfectly. Great quality too.

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

15 September 2025tattiesackoo2
Verified Purchase

Great Quality

Yes, I recommend this

Excellent quality and fit, already have one for spare bed, would not hesitate in recommending

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

15 September 2025oliviaprincess
Verified Purchase

Perfect fit

Yes, I recommend this

Really happy with this mattress protector its fits my mattress perfectly I ordered a king size and it’s a deep mattress so this extra deep size was ideal .

Reviewer Ratings

Comfort

Excellent

Helpful?

Reviewer Ratings

Comfort

Excellent

25 April 2025Pollygarter68
Verified Purchase

Guest bed ready!

Good depth and nice fit; not very bouncy but material is okay.

Reviewer Ratings

Quality

Good

Value for Money

Good

Functionality

Good

Style

Average

Helpful?

Reviewer Ratings

Quality

Good

Value for Money

Good

Functionality

Good

Style

Average

1 of 97