King Size Mattress Protectors

Protection Sized for a King Bed

Keep a king size mattress fresh and protected with our range of mattress protectors.
Shop King Size Mattress Protectors
Good to know
A king size mattress protector is sized to fit a standard UK king mattress at 150 x 200cm, an easy way to extend the life of a larger mattress.
Frequently asked

What size is a king size mattress protector?

A UK king size mattress protector is sized to fit a 150 x 200cm mattress.

Is a king protector suitable for a super king mattress?

No, you'll need our super king or waterproof mattress protector range for that size.

A GOOD NIGHTS SLEEP

  • MADE IN THE UK

    Slumberdown pillows & Duvets are designed and made in the UK, by a family run business with over 100 years of textile experience

  • DESIGNED FOR HOW YOU SLEEP

    We want you and your family to get the best night's sleep possible. So we offer a range of duvets, pillows and more design for how your sleep

  • Sleep soundly 5cm Mattress Topper Slumberdown

    MADE WITH CARE

    Sustainability has long been a high priority for Slumberdown. Our packaging contains a minumum 30% recycled content, our Hollowfibre is 100% recycled and across the business we are working to next zero and zero to landfill targets,

  • Sleep Soundly 10cm Extra Deep Mattress Topper Slumberdown

    Easy to care for

    Most of our products are machine washable and tumble dryer safe, so keeping your sleep space fresh is simple.