Love to Dream Swaddle UP, Baby Sleep Sack Swaddle, Blue Medium 13-19 lbs 93% Cotton, 7% Elastane. 2 way zipper makes for easy diaper changes. DESIGNED TO HELP BABIES SELF-SOOTHE & LEARN TO SETTLE THEMSELVES: The Unique, award winning ARMS UP design allows your baby to sleep in their natural arms up sleep position. This allows them to safely move their hands to their mouth for true Self- Soothing. Encouraging deeper, longer sleep helps to establish & maintain a healthy sleep routine from birth and throughout your baby's sleep journey. Brand new, never used. New condition. Smoke and pet free.