Bonding is the intense attachment that develops between you and your baby. This bonding doll is designed to give babies the sense of being close to their mom and dad. How it works: mom and dad need to sleep with the doll for 2-3 days and the baby will then recognize their scent. The doll fosters a continuous parental bond with a sense of security. Plush polyester body, head is filled with polyfil. Approximately 17"w x 13"h.