Premium stretchy fabric created with ultra-soft, breathable fabric that has just the right hint of stretch. You can feel confident that baby will feel cozy and comfortable in this top knot hat. 0-4 Months adjustable knot ensures the perfect fit from newborn to four months. High quality and trendy design that always look great on babies, mom, or in your nursery. Pair perfectly with Copper Pearl swaddles. Perfect baby shower gift. A newborn essential, they make a meaningful gift that every mom will love for baby showers, birthdays, or Christmas. Machine washable – view product care. Wash before first use.