The Maxi-Cosi® Kani 4 in 1 Convertible Car Seat is designed for parents and caregivers looking for a safe, versatile car seat that grows with your child from birth through the big kid stage. This all-in-one solution addresses the challenge of switching car seats multiple times by offering four modes of use: rear-facing, forward-facing, belt-positioning high-back booster, and backless booster. It provides comfort, convenience, and safety for every ride, making car travel more enjoyable and less stressful for both parents and children.
The Kani 4-in-1 car seat features ClipQuik™, a magnetic chest clip that opens with one hand for fast, easy buckling, and QuikFit, a 10-position headrest and harness system that adjusts without rethreading, supporting all growth stages. ReclineFit provides five recline positions for a comfortable ride, and the slim car seat design fits three across most vehicle back seats, perfect for growing families. The premium EcoCare fabrics are 100% recycled, soft, breathable, and machine-washable, while the plush PureCosi™ fabric is free from added fire retardants. With vegan leather-trimmed cup holders and convertible covers, this car seat is both functional and stylish.
Maxi-Cosi, founded in the Netherlands in 1984, is a trusted leader in car seats, strollers, and baby gear focused on safety, comfort, and smart design. Known for creating the first infant car seat with advanced safety features in Europe, Maxi-Cosi offers award-winning car seats, travel systems, and at-home gear crafted with premium materials and innovative technologies like Air Protect. Designed by parents for parents, Maxi-Cosi delivers practical, stylish solutions that make family life easier. Explore Maxi-Cosi at ANB Baby for trusted, high-quality baby gear.
All-in-One 4 Modes: Rear-facing (5–40 lbs., 19"–40"), forward-facing (30–65 lbs., 34.4"–49"), high-back booster (40–100 lbs., 43.4"–52"), backless booster (40–100 lbs., 43.4"–57").
Slim Design: Fits three car seats across most vehicle back seats.
EcoCare Fabrics: 100% recycled from plastic bottles; soft, comfortable, and breathable.
ClipQuik™ Magnetic Chest Clip: Opens with one hand for quick and easy buckling.
QuikFit Headrest & Harness: 10-position system adjusts without rethreading.
One-Hand Backless Booster Conversion: Intuitive release converts the car seat in seconds.
ReclineFit Base: 5 reclining positions for your child’s comfort and secure fit.
Vegan Leather Cup Holders: Removable, dishwasher-safe, with stylish accents.
Infant Head Pillow & Cushions: Removable, plush support for newborns and toddlers.
Convertible Car Seat Cover: Vegan-leather trim for durability and style.
Easy Installation: 1-click LATCH connectors ensure secure setup.
Safety Certified: Engineered and tested to meet or exceed federal safety standards, including side-impact protection.
Seat dimensions: | Fits 3 across most back seats |
Materials: | EcoCare 100% recycled fabric, PureCosi™ plush fabric, vegan leather accents |
Harness system: | QuikFit 10-position adjustable harness |
Recline positions: | 5 |
Cup holders: | 2 removable, dishwasher-safe with vegan leather accents |
Installation: | 1-click LATCH connectors |
Recommended Use | |
Child Weight Rear Facing: | 5 – 40 lbs |
Child Height Rear Facing: | 19" – 40" |
Child Weight Forward Facing: | 30 – 65 lbs |
Child Height Forward Facing: | 34.4"– 49" |
Child Weight High-Back Booster: | 40 – 100 lbs |
Child Height High-Back Booster: | 43.4"– 52" |
Child Weight Backless Booster: | 40 – 100 lbs |
Child Height Backless Booster: | 43.4" – 57" |
Safety Compliance: | Meets/exceeds federal safety and side impact standards |
Brand: | Maxi-Cosi® |
Sea Shadow Manufacturer SKU: | CC430HHK |
UPC: | 884392009236 |
It grows with your child from newborn to big kid, supporting 5–100 lbs and heights from 19"–57" depending on the mode.
Yes, the slim design allows three seats to fit across most back seats.
Yes, EcoCare fabrics are 100% recycled, soft, breathable, machine-washable, and PureCosi™ fabric is free from added fire retardants.
Simply use the intuitive 1-hand release to convert to a backless booster in seconds.
Yes, QuikFit offers a 10-position headrest and harness system that adjusts with one hand.
Yes, both cup holders have vegan leather accents and are top-rack dishwasher safe.
Yes, it is engineered and tested to meet or exceed federal safety and side impact standards.
The ReclineFit base offers 5 adjustable positions for comfort and secure installation.
Yes, 1-click LATCH connectors allow for quick and secure installation in most vehicles.
Yes, it is suitable from the first ride home from the hospital up to the big kid stage.