Swaddling helps reduce loose bedding in crib and helps keep baby safely on their back. Swaddling soothes baby by preventing them from startling awake. SwaddleMe wings are adjustable for just the right fit on baby and keep even wiggly babies swaddled tight. . . Features: - 100% Cotton. - Secure design creates a cozy, womb-like feeling for baby and prevents startle reflex that can wake up your infant. - Soft fabric wings fasten and readjust securely with hook and loop attachments to create a perfect fit. - Leg pouch opens for easy diaper changes.