Serena Junior Bed Extension Mattress

SKU: GSM-JBED-EXTN
Serena Junior Bed Extension Mattress
Serena Junior Bed Extension Mattress
Serena Junior Bed Extension Mattress

Serena Junior Bed Extension Mattress

SKU: GSM-JBED-EXTN
Regular price £49.99
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Tax included. Shipping calculated at checkout.
The Gaia Baby Junior Bed Extension Mattress piece is designed to extend your Cot Bed mattress from 140cm to 165cm for kids up to 10yrs.

Known for its incredible softness, the luxurious, peach touch microfibre fabric is anti-microbial, hypoallergenic and softly quilted.

A tight fit between fibres helps aid longevity and allows the fabric to keep it's shape and colour over time.

Nursery Grade Foam Core - Specifically designed for the nursery industry and free from harmful chemicals, this adaptive foam cradles your child safely, providing comfort, support and breathability, so you can rest assured your little one is sleeping safe and snug all through the night.

Zip-off cover - Quick drying and machine washable at 40 degrees. Tightly woven fibres help repel stains. Wipeable to help keep your mattress clean and dry at all times.

Helps keep your child comfortable and cool by promoting natural airflow. Features a breathable microfibre fabric cover and an open cell nursery foam core to maintain an ideal sleeping climate.
  • Known for its incredible softness, the luxurious, peach touch microfibre fabric is anti-microbial, hypoallergenic and softly quilted.
  • A tight fit between fibres helps aid longevity and allows the fabric to keep it's shape and colour over time.
  • Nursery Grade Foam Core - Specifically designed for the nursery industry and free from harmful chemicals, this adaptive foam cradles your child safely, providing comfort, support and breathability, so you can rest assured your little one is sleeping safe and snug all through the night.
  • Zip-off cover - Quick drying and machine washable at 40 degrees. Tightly woven fibres help repel stains. Wipeable to help keep your mattress clean and dry at all times.
  • Helps keep your child comfortable and cool by promoting natural airflow. Features a breathable microfibre fabric cover and an open cell nursery foam core to maintain an ideal sleeping climate.

This is a mattress extension piece meant to be used with Serena Modular Mattress

Assembled Dimensions:

  • Length: 40 cm
  • Width: 66 cm
  • Height: 10 cm
  • Weight: 0.8 kg

Box Dimensions:Your Serena Junior Bed Extension will come in 1 box!

  • Length: 42 cm
  • Width: 68 cm
  • Height: 12 cm
  • Weight: 0.9 kg

All our mattresses are designed and manufactured to comply with the General Product Safety Regulations 2005 and UK Furniture and Furnishings (Fire Safety) Regulations 1988/1989, 1993 and 2010.


Crib, cot and cot bed mattresses are tested to BS 7177:2008+A1:2011 and BS EN16890:2017.+A1:2019This mattress is also fully certified toSI 316/1995.

Take a look at all of the frequently asked questions here.

Good to know

As our products are built to evolve with your needs over time, it means we use less raw materials and reduce the environmental impact of transport and manufacturing, and our beds are fully recyclable when the time comes.

All Gaia Baby products are made from ethically sourced birch wood, certified sustainable by the FSC (Forest Stewardship Council). The FSC ensure that the wood we use is responsibly produced and the forests are replenished.

By choosing FSC Certified wood, we are guaranteed the foresting process is ethical, workers are treated fairly and our wood is 100% formaldehyde-free. 

We are just a little bit proud of the fact that we are one of the few nursery brands making this promise to our customers. And what our journey so far has revealed to us is that a lot more is possible.

Our team continue to investigate and experiment with the latest sustainable raw materials, fabrics and methodologies so we can bring you the latest, best and most sustainable products.

Our starting point is ensuring that every single raw material we use is supplied with authentication certificates so we can be assured our suppliers adhere to the highest standards.

But more importantly than that, at Gaia Baby we specifically choose to partner with small family run businesses.

Our fabulous Nursing Chairs are made in a small upholstery factory where 3 families and 3 generations of seamstresses and tailors work together with amazing skill and capacity for such a small team.

Our wood products are made in family run factory near Qingdao, a coastal city renowned for its beauty and pilsner lager! In fairly typical fashion, the factory owner and his family live above the office on site.

We at Gaia Baby value longevity, because we know it's what's best for our planet and for our consumers.

We strive to create pieces that are not only timeless in design, but timeless in their durability. Made with real FSC certified wood all our furnitures are made to stand the test of time and be passed down generation to generation.

All Our Cribs, Cots and Beds are designed to easily last from birth to 10 years of age with our Extention kits. Meaning less waste and less spending for mum and dad.

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