The Ultimate Convertible Car Seat for Optimal Safety and Comfort The Maxi Cosi Pria LX convertible car seat is suitable for newborns to approximately 4 years of age and includes a world exclusive SMART Guide top tether guide, making this seat safer and easier to use every day. Pria LX is the most compact car seat on the market, ensuring a comfortable and easy 3-across fitment in most cars.You’ll love the easy installation with the SMART Lock system, ensuring a secure fitment every time. The patented Air Protect technology offers head protection whilst the premium fabrics, 3D mesh and air ventilation will keep your baby comfortable all year round. FEATURES - SMART Guide™ top tether routing system, creating a clear area free from barriers to place your baby in and out of the seat.- Most compact convertible car seat in the Australian market in both rearward and forward facing allowing for 3 across is most cars.- Most lay flat angle in rearward facing creating a safer journey for your baby.- Easy to install with SMART Lock™ belt system providing a safe, secure and clear path.- Innovative V-harness system automatically expanding as you adjust the headrest for additional comfort.- Air Protect Superior Side Impact Protection.- Side and rear air-vents to promote ventilation and breathability.- Safer for longer with extended rearward facing to 30 months approximately.- 11- Position headrest adjustments.- Bamboo wicking fabric that helps keep baby cool and comfortable.- 5 forward facing recline positions and 1 rearward recline position.- Intuitive crotch buckle and magnetic harness holders make getting baby in and out of the car seat easy.- Built in rebound bar for simple and quick seat installation- 2 piece removable and machine washable seat covers- Newborn insert for added comfort and support- Maxi-Cosi Lifetime Warranty and access to Maxi Cosi's Crash Exchange program on your registered product.