Mountain Buggy & phil&teds ISOFIX Capsule Base

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$218.99 $194.99 including GST
($169.56 excluding GST & international orders)
Or 10 interest free payments from $19.50 with What's this?

The ISOFIX base makes installing your protect or alpha capsule ultra safe and easy. Install the ISOFIX base using ISOFIX anchor points in your car, then click protect or alpha in and out for a safe and convenient fit, every time.


  • designed to make the fitting of child seats into cars quick, simple and above all safe
  • compact and flat with a slim fit
  • ISOFIX connectors attach to any car with ISOFIX anchor points
  • a sure fit every time, ISOFIX minimises the risk of not installing the capsule correctly into the car
  • correct-fit indicators for 100% confidence in your installation
  • the support leg extends to the vehicle floor for greater support

*Note, in some cases ISOFIX installation won't work in a vehicle due to the angle of the base if the seat bolsters are high at the front, in certain cases it may be better to use the universal base.

Customer Reviews

Based on 3 reviews

Super easy to install and operate, good fast availability

Easy and strong.

Awesome base. Takes up less room than universal base


Mountain Buggy ISOfix Protect Capsule Base

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★ Reviews ★

Let our customers speak for us.

1703 reviews
Great booster for bigger kids

Great for a taller kid who still needs a booster. This one is wide and sturdy, and very comfortable for my 7 year old. Might not be the best option if you need to have 3 chairs in the back, bit perfect if you have 1 or 2, especially if you want something to last til your kid outgrows boosters one day. Good price, great quality, happy kid

Excellent quality and comfort

This is the first seat that my daughter (5) has fallen asleep in where her head and neck are really comfortable and I love that the seat will last her til she no longer needs a booster chair. The quality of the chair is great and the price is good too. Delivery was excellent and efficient. Highly recommend!

Delivered quickly and kept up to date the whole time. Brilliant

Prompt delivery. Customer service reached out to confirm my details when they appeared incorrect. Product was good, as expected.

Very handy

Sturdy and cute!