Thoughtful Details: To protect baby's delicate chin, a further zip protection on the top has been added. Two-way zipper design allows nappy changing without undoing or removing the sleeping bag. This provides minimal sleep disturbance, and baby remains warm and comfortable during the change. Easy Transition: It can be challenging for infants to free themselves from swaddling before turning over. Our newborn swaddles have buttons at the sleeves that, when unbuttoned, allow children to easily reach out and free their hands from traditional swaddling. Prevent Startle Reflex: This arms-up swaddle is designed to simulate the enveloping environment of the womb, giving your newborn baby the security of snug cuddles. The snug-fitting fabric gives baby a familiar, safe sleeping space prevent the baby's startle reflex, which enables a better sleep. Self-soothing: The arms-up design allows baby to put his hands on either side of his head while he sleeps, can easier suck his fingers or stroke his cheeks. This allows the baby to fall asleep in a more natural position and self-soothing promotes sleep even more. Ultimate Softness: Duomiaomiao baby swaddle blankets are made of cotton, suitable for all seasons. Wear it close to your baby can feel the soft marshmallow-like touch, gentle to your baby's sensitive skin. It is ideal baby shower gifts for 0-9 months.