Hi what is the difference between this and the other Britax booster?

Hi Alana, thank you for your enquiry, there is a number of other Britax Boosters on our website, If you click the add to compare button on the bottom of each product this will show you the difference between 2 or more seats. We hope this helps.  For further information on this or any of our other products available, if you follow the link https://www.babyonthemove.co.nz/store-locations/ this will take you to our online store finder. Here you can find contact details for your nearest Baby On The Move Store where one of our team experts will be happy to assist you in your product search and help answer any further questions you may have. We hope this has helped with your query.