Which Boori Mattresses Do the Protectors Fit?
Boori protectors are sized to fit Boori cot, cot bed, oval cot, single and double mattresses exactly. Elasticated skirts hold them in place so they do not bunch under the sheet.
Available in cot, toddler and single bed sizes, our protectors are designed to fit Boori mattresses perfectly. Elasticated skirts help hold them in place securely without bunching or slipping.
A protector works best when it fits snugly. This is especially important during the infant and toddler years when movement is frequent. Cot mattress protectors help maintain a smooth surface under fitted sheets and prevent moisture from reaching the mattress. As your child grows, single mattress protectors and double mattress protectors support wider beds and provide consistent protection.
Adults furnishing shared or guest rooms often choose mattress protectors king size because they give maximum coverage and are easy to change during busy routines. Families who plan ahead appreciate that each protector stays secure, even when children move from a cot to a single bed and eventually into a larger sleeping space.
Elasticated edges help the protector grip the mattress fully, reducing shifting and keeping the sheet comfortably flat. A stable base also supports better sleep, since children can roll or stretch without waking to uncomfortable bunching.
What Size Mattress Protector Do I Need for a UK Cot or Bed?
The mattress protector you need matches the exact size of your mattress. These are the main UK sizes:
- Cot bed: the common UK size is 140x70cm. Boori cot bed mattresses and protectors are 132x70cm.
- Compact cot: fits a 119x65cm mattress.
- Oval cot: Boori's oval protector is 121x69cm, made for the oval mattress only.
- Single bed: fits a 90x190cm mattress, the UK single size used for Boori kids bed mattresses.
- Small double: 120x190cm in the UK. Boori's double protector fits a 135x190cm mattress.
UK mattress sizes differ from EU sizes (an EU single is 90x200cm). A protector that is too large bunches under the fitted sheet, which leaves folds and weakens the waterproof layer in the creases.
For a bassinet or bedside crib, check that product page for the right protector size.
Can I Use a Padded Mattress Topper on a Baby's Cot?
You should not use a padded mattress topper on a cot or cot bed mattress for a baby under 12 months. The Lullaby Trust advises against soft or raised sleep surfaces for babies, because the mattress must stay firm and flat.
A waterproof fitted protector is different. It is thin, lies flat and does not change the firmness of the mattress. A padded topper adds height and softness, which is not safe for infants.
For babies under 12 months, use a firm mattress, a waterproof protector and a fitted sheet only.
Are Boori Mattress Protectors Breathable?
Boori mattress protectors are breathable, with a soft cotton-blend top over a thin waterproof lining. Air can move through the top layer while moisture is kept away from the mattress.
Made from soft cotton-blend materials with a waterproof lining, our protectors are gentle against your child's skin while safeguarding against moisture and allergens.
Comfort is shaped by the layers closest to the body. Many families choose cotton mattress protectors because the material feels soft and helps regulate temperature naturally. Cotton breathes well, supports airflow, and pairs easily with both warm and cool bedding.
A sleeping space that regulates heat well allows children to fall asleep more easily and stay settled longer. The soft cotton top layer creates a familiar surface every night, even when other bedding changes through the seasons. The waterproof layer beneath it does its job quietly, staying thin enough to avoid noise or stiffness.
These protectors pair well with fitted sheets keeping the overall surface smooth and comfortable. During colder months, families often add layers from the muslins, blankets and sleeping bags collection to create a cosy setup that still breathes gently.
For babies under 12 months, that extra warmth should come from a fitted sleeping bag in the right TOG rather than a loose blanket.
Are Mattress Protectors Easy to Wash?
Boori mattress protectors are machine washable and quick to dry, so you can wash them as often as you need.
These machine-washable protectors are quick to dry and easy to layer under your sheets, a must-have for every nursery, toddler bed or kids' room setup.
During the early years, bedding needs frequent washing. Reliable mattress protectors simplify this routine by drying quickly and staying soft after repeated cycles. Parents often keep more than one protector on hand so the bed can be reset quickly after spills or late night accidents.
The durability of each protector means it can be washed often without losing its shape. This supports consistent hygiene, especially during potty training, early morning wakeups, and teething phases. In shared bedrooms or family homes with multiple mattress sizes, mattress protectors double and mattress protectors king size help simplify laundry routines and protect every bed in the home.
With straightforward washing instructions, families can manage bedding without added stress. The layers stay smooth, the waterproof protection remains secure, and the cotton surface continues to feel gentle against the skin.
What Temperature Should I Wash a Mattress Protector At?
Wash mattress protectors at 60°C at least once a month to kill dust mites, in line with NHS advice on reducing allergens. A 40°C wash cleans everyday marks but does not remove dust mite allergens.
- Wash at 60°C monthly, or more often for allergies or asthma.
- Wash straight away after any night-time accident.
- Use a mild, fragrance-free detergent.
- Tumble dry on low or lay flat to dry.
- Make sure it is fully dry before it goes back on.
Always check the care label on your protector before the first wash.
How Many Mattress Protectors Do I Need?
You need 2 mattress protectors for every cot or bed, one on the mattress and one clean and dry. When one is in the wash after an overnight accident, the spare goes straight on and the mattress is never left bare.
Protectors need washing more often than you might think: at least monthly, and straight after any leak. Pair them with 3 fitted sheets in rotation and you have a full change system for any night.
Complete the set with cot bed fitted sheets in the same size so every layer fits flat.
How Do I Put a Mattress Protector on a Cot Mattress?
Put a mattress protector on with the waterproof side down and the soft cotton side up, then pull the elasticated skirt under all four corners.
- Lay the protector flat on the mattress, cotton side up.
- Fit one top corner, then the diagonal bottom corner.
- Fit the last two corners and pull the skirt fully under.
- Smooth the surface by hand so there are no ridges.
- Add a fitted sheet in the same size over the top.
The finished surface should feel flat and tight, with no loose fabric anywhere in the cot.
Do Mattress Protectors Change How the Bed Feels?
A well-made mattress protector does not change how the bed feels. It is thin, flexible and quiet, so the mattress keeps its original firmness.
A well designed protector is barely noticeable during rest but plays a big role in keeping the mattress healthy. By blocking spills and moisture, it prevents deep staining and reduces the risk of odours or trapped allergens. This is especially valuable for young children who may sweat more at night or drink milk before sleep.
The breathable materials allow airflow to move naturally around the body, supporting a temperature balanced sleep environment. When the protector remains light and flexible, the mattress maintains its original comfort without feeling padded or heavy.
Parents who want a coordinated bedding setup often pair their protectors with duvet covers from the quilt cover set collection. Matching textures and tones help the whole room feel tidy and inviting.
Which Mattress Protector Is Best for Each Stage?
The best protector for each stage is the one that matches your child's current mattress: cot size for babies, single for young children and double for bigger beds.
Every family has unique needs depending on the child's age, the home's climate, and the layout of the bedroom. Cot mattress protectors help during the newborn stage when frequent spills and small accidents are common. Single mattress protectors are ideal for toddlers and early school aged children who benefit from an easy to clean sleeping surface.
As children grow or bedrooms change, double mattress protectors and king size mattress protectors offer consistent protection for larger sleeping spaces. These are useful when siblings share a bed during sleepovers or when parents lie beside young children during settling time.
Families who manage allergies appreciate how a protector helps keep dust and moisture out of the mattress. A clean, dry sleeping surface supports a healthier environment and reduces the effort needed to maintain freshness.
Does a Mattress Protector Make a Mattress Last Longer?
A mattress protector does make a mattress last longer by stopping moisture, stains and allergens reaching the core.
Mattresses last longer when they are protected early. A simple layer helps prevent moisture from settling into the foam and reduces long term wear. Without a protector, small spills can create deep patches that are hard to clean later.
Reliable mattress protectors reduce the need for deep cleaning or early replacement. This is especially helpful in homes where mattresses are used over many years or passed down between siblings. Over time, the protector becomes the quiet foundation of every sleep setup, supporting the moments that routines are built around.
For growing families, this value is easy to see. A protector absorbs the everyday challenges of childhood while the mattress underneath stays fresh, stable, and ready for the next stage.
A protector also wears out in time. Test it by dripping a little water on the dry surface: it should bead and roll off. If it soaks through, smells after a 60°C wash or the elastic no longer grips, replace it.
How Do Mattress Protectors Fit into a Child's Room?
Mattress protectors sit hidden under the fitted sheet, so they work with any room style while keeping the bed smooth and secure.
Boori bedding is made with gentle materials and thoughtful details. The elasticated edges hold the protector in place without shifting, even when children roll or move freely. This stability helps the sheet stay smooth and prevents discomfort during the night.
Parents who prefer natural textures often choose cot bed fitted sheets because they pair easily with both warm layers and breathable summer bedding. Cotton helps maintain a soft balance between insulation and airflow, which makes bedtime more comfortable through changing seasons.
The simple design blends well with different room styles, from soft pastel nurseries to modern, neutral children's rooms. These protectors support the calm and organised feeling that many families want to create in their sleep spaces.
Can I Buy Boori Mattress Protectors Near Me?
Boori UK is an online-only store, so there is no UK showroom. All mattress protectors are available on this page with free delivery to mainland UK and no minimum spend.
Bedding orders are sent separately from furniture and usually arrive within a few working days. Each product page lists the exact size and care details so you can order the right fit first time.