Free delivery

Comfort trial

Comfort fillings
Firmness rating

Support system
The sleep your young one's growing body needs; the Jay-Be Simply Kids Waterproof Mattress provides an all-round supportive night's sleep. Easy to clean and gentle on their skin.

Soft synthetic fillings create an incredible cosy feel. These fillings are durable and resilient, maintaining its shape and quality. A great balance between comfort and value for money.

Free of allergens for a cleaner, healthier sleep. No allergenic materials were used so you can enjoy an undisturbed rest without the risk of allergy reactions or respiratory problems.

A protective barrier against spills and accidents. The waterproof composition keeps your mattress safe and extends longevity. Enjoy a stress-free sleep and rest with peace of mind.

Highly supportive interlaced springs, joined together in a lattice design. Evenly distributing weight to relieve built-up pressure and improve spinal alignment.

A rolled-up mattress is efficiently packaged for easy manoeuvring. Because of its smaller, compact design, less delivery vans are needed, providing a great environmentally-friendly option.
Firmer than a medium mattress for extra support

About 7.1 inches deep. Depth is an important factor when buying a mattress as it can affect the suitability for particular bedding, mattress toppers and bed frames.

For your peace of mind

Expertly handcrafted in the UK. This product helps to support our economy and helps to reduce environmental impact.

This product conforms to BS7177: 2008, for use at home

For the highest standards of quality and safety
Choose a mattress that keeps your child comfortable and protected throughout the night with the Jay-Be Simply Kids Waterproof Mattress. Creating the safest sleeping environment you could dream for!
Easy cleaning
Having a waterproof mattress protects against spillages or accidents, keeping the sleeping environment healthy and clean. It also makes it easier to clean up after sticky fingers as the fabric is easy to wipe clean. Keep making the bed a simple task, so that your little one can easily get a clean and refreshing night of sleep.
A clear environment
Anti-bacterial and anti-microbial properties of this mattress work to create a gentle sleeping environment for your tiny sleeper. Since it is foam free, you can be sure that it is completely free of chemicals that may irritate your little one's skin. Ensure they remain undisturbed through the night, so that they can have the energy to keep on growing throughout the day!
Refreshing rest
Made from breathable fibres, the Simply Kids Waterproof Mattress will help keep your little one cool. Moisture wicking properties help keep them from feeling overheated. With hypoallergenic materials, your tiny dreamer will have a sneeze-free snooze. These make bedtime so much more comfortable!
Unbeatable comfort
The medium-firm sprung core supports your little dreamer's weight as they rest throughout the night. With a high density eco-insulator, these springs remain perfectly comfortable while giving your kid the support they need.
Longer life
Keep the mattress in top condition as long as possible by regularly rotating it for even wear. But there's no need to flip it as this mattress is single-sided for your convenience! With cushioned borders, the edge to edge comfort is protected for a long time.
The eco-friendly option
E-fibre filling is specially made from recycled plastic bottles. It's a great eco-friendly choice that doesn't compromise on the cosy comfort. And with 100% recycled packaging, this is a mattress you can feel good buying.
Conscientious delivery
Don't worry about shipping, these UK made mattresses are rolled for a more environmentally friendly delivery. Rolling a mattress decreases the space needed to transport it. More can be moved at once, reducing carbon emissions to ease the pressure off our planet.
This mattress comes with a 60-Night Comfort Trial - like all of our mattresses!
The trial lets you test your mattress for up to 60 nights. If it's not quite right for you, you can exchange it for a new one.
It can take some time to get used to a new mattress, which is why we ask you to sleep on your mattress for 30 nights. If you're not happy with the feel after 30 nights, simply contact our Customer Service Team, and we'll arrange a mattress exchange.
| Firmness | Medium to firm |
| Comfort fillings | Soft White Fibres |
| Support system | Traditional Open Coil Springs |
| Tech | Waterproof |
| Allergy care | Hypoallergenic |
| Rolled-up | Yes |
| Single-sided | Yes |
| Guarantee | 5 years |
| Awards & accreditations | Handcrafted in the UK, Approved by the National Bed Federation |
| Fire resistance | Conforms to BS7177: 2008, for use at home |
| Downloads | Jay-Be Product Care, Jay-Be Product Guarantee |
| Size | Width | Length | Depth |
|---|---|---|---|
| Single | 90cm | 190cm | 18cm |
Please allow for a tolerance of +/- 2cm
The following delivery methods apply to mainland England and most of Scotland, Wales and Northern Ireland. Please read our delivery page for more information.
Next day delivery (weekdays only) Order before | FREE |
Weekday of your choice Order up to 60 days ahead | FREE |
Weekend On Saturday or Sunday of your choice | £17.50 |
Delivery to the front door of your building | Yes |
Two-hour delivery time slot We’ll let you know on the day before your delivery | Yes |
Call to let you know we’re on our way On your delivery day | Yes |
Delivery to your room of choice | £20.00 |
Mattress recycling We'll take away your old mattress | £35.00 |
Delivery is on an all-day service, 7am - 8pm for mainland England and most of Scotland, Wales and Northern Ireland.
Need further information? Please visit our Delivery page.
Bought this for my 2 yo who has a Montessori floor bed, it is still on a slat base but sits just above the floor. It is quite springy and takes some getting used to for parents reading stories and helping to settle the lit tone at night. But he sleeps really well in it.
Verified Purchase
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Sunday: 10am - 4pm
Mon-Sat: 09:30am - 17:30pm
Sunday: Closed
customerservice@mattressonline.co.uk