Doona Infant Insert is an insert specifically designed for newborn babies that cradles and supports newborn infants andprovides young babies with the highest levels of safety and comfort. Developed alongside global engineering, safety and medical experts, the Infant Insert supports your babys posture, by mimicking a natural position, thus granting parents and babies the freedom to travel together. Near-flat ergonomic position From Birth up to 3 months Additional padding adjusted for newborn infants Central anchor point prevents the insert from involuntary shifting Made of Bamboo Charcoal Fiber textile (Anti-bacterial, Hypoallergenic, Humidity & thermal regulating) For Doona+ Infant Car Seat Stroller The Doona Infant Car Seat Stroller itself already comes with this infant insert. Recommended for 0+ months. Product dimensions: 8.6 x 2.5 x 7 inchesProduct weight: 0.3 lbs *This product consists of only infant insert. Head support featured in video is not included.