Toycycle Ergobaby Infant Insert: Ergo Baby Original. Carrying your newborn is made easier with the Ergobaby Infant Carrier Insert. Used for babies from 7-12 pounds, the insert is tailored to meet your baby's needs.We pick up your stuff and handle the rest. Buyers enjoy a curated selection of excellent condition, often new or like-new products with a Customer Satisfaction Guarantee. Enabling sustainable parenting for busy moms and dads.