This Big Bro Hat is made of durable pre-washed cotton and features a large bill that provides excellent sun protection. The adjustable white sail cloth back strap ensures a comfortable and secure fit. Suitable for most kids with a head circumference of 16-21 inches, which is approximately 1-10 years of age. The needlepoint embroidery is meticulously crafted in the USA, ensuring a high-quality finish that will last for years to come.