This is a specially padded and shaped cushion that fits into the baby carrier worn on the front. This baby accessory was designed to extend the life of the baby carrier to serve you and your baby as soon as you would like the assistance of a carrier. This way you only need to buy one carrier that will assist you through all the stages of your baby's development. It can be quickly and easily placed in the carrier and be readjusted or folded to pad just the right places for your infant. The baby is then cradled in a cozy, protected environment close to your heart and breast. It is also a perfect position for breastfeeding. It is believed that the sling position is the best for your baby's physical development for the first several months. The ERGO Baby Carrier with Infant Insert, cradles your baby in just this position. Both legs remain together to one side, the head leans to the other side with the baby's bottom centered in the middle of the carrier. Features: Made of 100% cotton batting inside and 100% cotton poplin fabric Cotton materials allow for maximum body comfort Supports newborn/infant's head and cushions their body Insert can be taken out with baby and used as a padded cushion Sleeping Hood can be used as a sunshade Care instructions: machine wash and dry on gentle cycles Age: birth to about 4-5 months depending on baby's size ERGO Baby Carrier not included