Comfortably place your baby on the unfolded swaddle zip it up and fasten the silent velcro and this snug fitting swaddle sack provides a womb like comfort for your baby reducing startle reflexes and helping them enjoy longer deeper sleep. Our swaddle wings are made of soft linkable cotton fabric instead of the sharp velcro design of other products making them safer and more comfortable. Three adjustable swaddles allow for arm in to reduce startle reflex a single arm out for self soothing and a double arm out for an easy transition from swaddle to sleeping bag. The reverse zipper opens from the bottom for easy diaper changes without needing to unswaddle and the sleeveless design reduces the risk of overheating with arm and neck openings sized for added security. This baby sleep swaddle is made of ultra soft skin friendly and breathable fabric and it is machine washable and colorfast.