Hi Chelsea, Thank you for your enquiry. The Britax Pioneer Booster has an expiry date 9yrs from the manufacture date. The manufacture date sticker and model number can be found on the seat itself. 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 in helping to find a suitable solution for a product you may be searching for and help with any further questions you may have regarding our range of products available. We hope this has helped with your query.