100% cotton top knot beanie hat for newborns through three months old. For proper fitting, retie the top knot to shorten or lengthen, making sure that the hat sits above the eyes. Coordinates with our Starter and Transitional Collection Swaddles. As with all accessories and hats, only use under adult supervision. Not to be used unsupervised during naps or bedtime. Not intended for sleepwear.0-3 month sizing has a 16" circumference.Suggested Size: 0-3 moMaterial: 100% Cotton, Jersey