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Britax Romer Dualfix M i-Size Cosmos Black

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Britax Romer Dualfix M i-Size Cosmos Black Britax Romer Dualfix M i-Size Cosmos Black Britax Romer Dualfix M i-Size Cosmos Black Britax Romer Dualfix M i-Size Cosmos Black

Britax Romer Dualfix M i-Size Cosmos Black

RRP: £350.00
Save an extra 5% with code baby5
Available for immediate dispatch
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item features:
  • 40-105 cm (3 months to 4 years approx.)
  • for children up to 18kg
  • 360 degree rotating seat
  • rearward or forward facing
  • integrated ISOFIX base
Full product information

Britax Dualfix M i-Size Car Seat

The Britax Dualfix M i-Size car seat is an i-Size compliant car seat designed for prolonged use, accomodating children from approximately 3 months to 4 years in both rearward and forward facing positions. 


360 Degree Rotation

The base of the Dualfix M i-Size features a 360 degree rotation mechanism, which allows you to rotate the entire seat unit towards the door of your vehicle during loading and unloading of your baby, making it easier to correctly fit the harness and reducing strain placed on your back due to twisting and lifting when removing your little one from their seat. It also allows for quick and easy transitioning between rearward and forward facing positions, so if you decide you would like to make the switch to forward facing it is not necessary to remove and reinstall the seat unit. It is important to note that Britax reccomend rear facing travel for as long as possible as it is proven to be safer in the event of a collision, therefore the Dualfix M i-Size can be used entirely rear facing all the way up to the 18 kg weight limit. 


Impact Protection

The Dualfix M i-Size is fitted with integrated SICT (Side Impact Cushion Technology) that offers superior protection for your child in the event of a side-impact collision, keeping your child away from the impact whilst simultaneously absorbing force and energy before it reaches your little passenger. The SICT system utilises a special steel element that provides strength, which is built into the shell of the seat and helps protect your baby from all angles, keeping them as safe as possible during an impact from any side. 


The interior of the seat unit provides a protective cocoon for your little one thanks to softly padded side panels and a V-shaped headrest that's designed to control the movement of your child's head, keeping them safe in the event of an accident and providing unbeatable comfort day-to-day. Finally, the Pivot Link ISOFIX System keeps baby safe in the event of a front-on collision, directing force initially downwards into the vehicle's seat and then gently forward, greatly reducing the amount of force exerted on the head and neck. 


Additional Features:

  • Machine washable cover
  • Easy to read installation indicators
  • Height-adjustable leg
  • 5-point harness
  • 12 recline positions
  • Adjustable rebound bar for a safer fit
  • Awarded a Which? Best Buy


  • 40-105 cm (3 months to 4 years approx.)
  • for children up to 18kg
  • 360 degree rotating seat
  • rearward or forward facing
  • integrated ISOFIX base
  • optimum side impact protection
  • multiple recline positions
  • 5-point adjustable harness
  • height adjustable headrest and harness system
  • height adjustable support leg

Suitability: Rearward facing installation 61 - 105 cm

                   Forward facing installation 76 - 105 cm

                   6 months to 18 kg (approx. 4 years)


Product Weight: 15kg


Product Dimensions: H 48 x W 44 x D 74 cm

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We aim to dispatch all “available for immediate dispatch” orders placed by 12pm the same working day.  Exceptions include made to order items for example some nursery furniture or direct ship items sent by the manufacturer directly to the customer.  In these cases an approximate delivery schedule is shown next to the product.


Our standard delivery cost is £4.99 for orders under £49.99.  Orders over £49.99 is free of charge.  Exceptions apply please view our Delivery & Dispatch page for detals.
Any items “available for immediate dispatch” will have the choice of standard delivery (2-3 working days) or express delivery (1-2 working days) this can be selected during the checkout process.
Orders for delivery to select Scottish post codes and Scottish Highlands, UK Islands & Northern Ireland may incur additional costs. These schedules would exclude made to order and direct ship items. 
Please note that some nursery furniture deliveries will be to the customer's door, this may exclude internal apartment doors.
For more information please click here


We offer a 14 day return policy allowing you to decide if the goods are as expected.  During this time you may return the goods at your expense or request collection with our courier company at a cost of £18 per parcel.  If the item has been used you will be unable to return the item under distance selling regulations.
Any damage in transit of shortages must be reported with 48 hours of receipt of the goods after this time claims will not be accepted.

Tutti Bambini Returns:

You can request to return a Tutti Bambini item within 28 days of delivery providing the item is in its original packaging and in pristine condition. The Following charges will apply dependent on the original delivery method:

  • Single items weighing less than 15kg- £15.00
  • Single items weighing more than 15kg- £25.00
  • Non-assembled room sets- £50.00
  • Assembled room sets- £150.00

For non-assembled and assembled room sets, the above charges will also apply if the customer is not present to receive delivery.

For more detailed information please read our terms and conditions.

Nursery Furniture

Wood samples are available upon request.

Delivery of nursery furniture to certain locations within the United Kingdom may be restricted.  For example Isle of Wight, Isle of Man, certain Scottish postcodes, Highlands & Islands, and Northern Ireland. 

For our furniture terms and conditions of sale please refer to our terms and conditions page under the section Nursery Furniture Return Conditions

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Britax Romer Dualfix M i-Size Cosmos Black