Narrowest?

Hi Chloe, Thank you for your enquiry. The Nani I-Max has a product width of 39.7cm and is therefore is the narrowest of our selection of Booster seats. Following is a list of width dimensions for the Diono and Graco Booster seats for you to compare against:
Diono Rainier – 46.9cm (W), Diono Cambria Booster – 49.5cm (W), Graco Tri Logic Booster – 42cm (W), Diono Monterey Booster – 38-58.4cm (W).

Before selecting a child restraint, it is important to take into account the child’s weight, height and age, any physical, developmental and behavioural considerations, the type of restraint and vehicle. To view our full range of booster seats follow the link: https://www.babyonthemove.co.nz/car-seat/booster-seat. If you follow the link https://www.babyonthemove.co.nz/store-locations/ this will take you to our online store finder where you can find contact details for your nearest Baby On The Move store. Here, one of our expert Car Restraint Technicians can assist you in finding the right restraint for you, your child and your vehicle and assist with installation. We hope this has helped with your query.