TOOLOUD Pi Day Design - Pi Circle Cutout Adult Baseball Cap Hat Cotton polyester fabric baseball cap with a curved bill. Adjusts sizing via a strap. One size fits most adult heads, and may fit some childrens' heads if adjusted. Print on front. Print may be placed or sized differently, and colors may appear slightly different, than in the image shown. Unique, Authentic, copyrighted design by TooLoud (Trademark) brand. Printed in the USA with pride! This design is available on many other items! Purchase a full outfit, complete with accessories, to show your pride or festivity, or purchase matching outfits for the whole family! TooLoud (Registered Trademark) Brand. Designed and printed in Phoenix, AZ, USA!