... muscles are not yet mature, temporarily do not use3.For baby's comfort, breast-feeding after about 30 minutes should be ... bleach and strong detergent, avoid residues to stimulate baby's skin.5.When baby is small, less than 6 months, it is ... . if damaged, please stop using Feature1.Generous breathable of back pad, protect baby's spine, lumbar in normal development, emovable design, easy ...