100% ORGANIC 3-WAY SWADDLE: Our original 3-way swaddle adjusts to fit baby's sleep style. Swaddle with arms in, hands-to-face, or with one or both arms out. Adjustable fasteners create a perfect fit, nestling baby like a soft blanket without the risk of sleep-related dangers. #1 CHOICE OF HOSPITALS NATIONWIDE: Used by hospitals nationwide as their swaddle of choice for safe sleep education. 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 and scratch-free zipper covers. HEALTHY HIP DEVELOPMENT: Roomy sack design is recognized by the International Hip Dysplasia Institute as promoting healthy hip development. For use over regular sleepwear. TOG RATING AND SIZING: TOG 1.5 Ideal for moderate temperatures (65 - 75°F). Available for babies 0 to 3 months. View size chart to select the proper size for your child. Discontinue swaddling when the baby shows signs of rolling over or breaking out of the swaddle wrap. GIFT-READY PACKAGING: HALO SleepSack Swaddle and Wearable Blanket Gift Set includes two safe sleep essentials in one premium package! The HALO Sleep Sack Swaddle replaces loose blankets in the crib that can cover your baby's face and interfere with breathing. In addition to helping your baby sleep safer, it helps him sleep better, too. Its adjustable swaddle wrap immobilizes your baby's arms to prevent the "Moro" or startle reflex. And, it is the only 3-way adjustable swaddle that adjusts to your baby's sleep style. Swaddle arms in, hands-to-face, one or both arms out to ensure baby's best sleep and an easy and gentle transition to the Sleep Sack wearable blanket when it is time to stop swaddling. Used in hospitals nationwide, the Halo Sleep Sack Swaddle is the #1 choice of hospitals and is recognized as "Hip Healthy" by the International Hip Dysplasia Institute. Its strong adjustable fasteners ensure a perfect fit and resist breakouts for more secure swaddling. Plus, its innovative zipper, unzips from the bottom allowing your baby to stay swaddled for easy diaper changes. HALO also proudly supports non-profit organizations like First Candle/SIDS Alliance. Use over regular sleepwear to take the place of loose blankets. Discontinue swaddling when the baby shows signs of rolling over or breaking out of the swaddle wrap. 100% cotton interlock. TOG: 1.5 Size small fits 13-18 lbs. Durable Product.