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Activity Play Mattress Set in Deep Green
£321.00 GBP
Taxes included.
Shipping calculated at checkout.
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Playtime Furniture That's Gloriously Fun and Slightly Genius
Somewhere between a nap nook, a secret fort and a glorious gymnastics studio, this delightfully stylish Activity Play Mattress Set in Deep Green will have your child tumbling into imagination faster than you can say 'snack break'. It’s fabulously made for adventurous spirits aged 1 to 16 and beautifully crafted for your living room dignity.
Why Choose Our Activity Play Mattress Set?
Safe Design: Softly rounded edges help prevent tears, both emotional and physical.
Creative Freedom: Build castles, caves or impromptu puppet theatres with aplomb.
Product Details:
Base Mattress: Rather good for sprawling. Removable washable cover saves the day when juice boxes go rogue. Size: 170 x 85 x 15 cm.
Flexible Mattress: Bends like a yoga instructor but takes itself far less seriously. Great for construction and imaginative follies. Size: 170 x 85 x 8 cm.
Trapezoidal Pillows: Surprisingly glamorous for geometry. Ideal for support, stacking or unicorn throne backs. Size: 56 x 56 x 31 cm.
Rather Brilliant Benefits
Motor Skills: Develops coordination while amusingly failing to balance a cushion tower.
Imaginative Play: Encourages storytelling far beyond peasant-versus-dragon clichés.
Problem Solving: Stimulates thinking skills that could one day rival your own, slightly dated, logic.
Fabulously Made for Peace of Mind
Fabric: 100 percent polyester and OEKO-TEX certified, meaning gloriously safe and oddly huggable.
Foam: Squishy, safe and ready to brave the occasional biscuit encounter.
Easy Care: Folds up neatly and washes better than your average detective novel plot.
Shipping Details
Estonia, Latvia, Germany: 24.99€
France, Italy: 29.99€
Greece, Portugal: 49.99€
Secure this fabulously fun play set today and give your child a marvellous new way to lounge, learn and leap into playful adventures.
SHIPPING + RETURNS
THE RATHER IMPORTANT BITS
This rather lovely piece ships directly from our brand partner - we work with independent brands who are absolutely brilliant and work frightfully hard to create beautiful things.
SHIPPING DESTINATIONS
Now, here's the thing - our wonderful brand partners ship to lots of different places, but not all of them can ship worldwide.
Some are brilliant at international shipping, others prefer to keep things closer to home.
At checkout, you'll see exactly where this particular brand can send your goodies.
We're terribly sorry, but shipping costs do vary rather wildly depending on where you are in the world. The exact figures pop up at checkout - no nasty surprises!
RETURNS
You have 14 days to return items.
Now, we absolutely adore our brand partners - they work incredibly hard and we do try to support them as much as we possibly can. So I'm rather afraid we have to pass the return postage costs back to you. Frightfully sorry about that!
🌍 PLEASE CHOOSE THOUGHTFULLY:
Our wonderful partners put their hearts into everything they make.
Ordering multiple sizes to try at home is rather hard on our planet and makes things jolly difficult for these brilliant independent creators.
When in doubt, do ask us first!
The brands we work with all have a chat option, and they love to chat!
PAYMENT
We're frightfully modern and accept all the usual suspects:
Visa, Mastercard, American Express, PayPal, Apple Pay, Google Pay, and Shop Pay
SECURE AS HOUSES
Everything's properly encrypted and secure - your details are safer than the Crown Jewels!
All prices in lovely British pounds £ GBP, though international chaps will see converted prices.
Any payment pickle? We're here to help sort things out! Contact us
We are Sostter
We met as children. Grew up a few streets apart. Built dens, rode bikes, and eventually — built Sostter.
It started with a shared love of objects that meant something…things with a past, or at least a purpose.
Now, Sostter is our grown-up version of a treasure hunt: a space where design meets storytelling.
We curate independent brands, one-of-a-kind finds, and everyday essentials with character.
Giving Back
We’re proud to support Sutton Night Watch, a grassroots UK charity making a real difference in the lives of those facing homelessness. Through regular donations of stock, supplies, and essentials, we back their mission to offer warmth, dignity, and practical help to anyone in need — right where it matters most.
Sell with us
Sostter partners with independent brands that intrigue, inspire, and bring something genuinely different to the world of fashion, design, and living. Join us!