Material: CottonFor the Season: Spring/Summer/AutumnHat Circumference: 46-50cmAge Recommendation: 6-24 months babySize??One SizeColor: Pink/Blue/Gray/Yellow/Beige??????According to the baby's actual head circumference to buy??????Note: Due to lighting effect，monitor's brightness etc， there could be some slight differences in the color between the photo and the actual item.Note: Manual measurement， allow 1-3cm error