The Halo SleepSack Swaddle is the only 3-way swaddle that can be adjusted to fit your baby's sleeping style. You can swaddle your baby so that both arms are wrapped, the little hands on the face or one or both arms are free. In this way, you ensure that your baby always sleeps well. The model has adjustable closures for the perfect fit, wrapping your baby like a soft blanket while protecting them from sleep hazards. So your baby can sleep comfortably and safely. The embroidered "Back is Best" lettering is a loving reminder of the recommended sleeping position for your baby. It features an inverted zipper for effortless diaper changes and a roomy sack design that has been recognized by the International Hip Dysplasia Institute as conducive to healthy hip development.