The TRANSITIONAL SWADDLE SACK allows baby to SELFSOOTHE and promotes BETTER SLEEP and SAFER SLEEP Perfect for babies who prefer to sleep with ARMS UP babies who are starting to rollover and babies able to break out of a traditional swaddle LITTLE SLEEVES with BIG PURPOSE Arms Up Swaddle with 12length sleeves and mitten cuffs closed provide partial suppression of Startle Reflex to help baby SLEEP BETTER if baby rolls onto tummy baby can push up to access air for SAFER SLEEP EASIEST way to move from a traditional swaddle to a wearable blanket Transitional Swaddle Sack is not a tight swaddle nor a loose sack Snug fitting and Hip Healthy design supports baby in natural position and flexed position to help baby feel secure FOLDOVER MITTEN CUFFS MAY BE WORN OPEN OR CLOSED Caregiver can open one or both cuffs so baby can SELFSOOTHE or close the cuffs to PROTECT BABY FROM FACIAL SCRATCHES and provide partial suppression of startle reflex 100 Cotton TOG 07 Soft stretchy cotton knit 2way zipper for easy diaper changes Use baby weight to select size Small 614 lbs 03 Mo Medium 1421 lbs 36 Mo Large 2124 lbs 69 Mo Machine wash Tumble dry US Patent 11812795 WW patents online