HALO® created the first SleepSack® over 20 years ago with both safety and comfort in mind. Recognized as an expert in safe sleep, the HALO® brand is the #1 choice of 1,700 hospitals in the United States. The only 3-way swaddle that adjusts to fit baby's sleep style.#Swaddle with arms in, hands-to-face, or with one or both arms out to ensure baby’s best sleep. #With adjustable fasteners for a perfect fit, it nestles baby like a soft blanket without the risk of sleep-related dangers—so baby can sleep both comfortably and safely. #Signature “Back is Best” embroidery is a gentle reminder to place baby in the recommended sleep position.#Features an inverted zipper for easy diaper changes.#Roomy sack design that is recognized by the International Hip Dysplasia Institute as promoting healthy hip development. #100% cotton#TOG: 1.5