Thank you for viewing! This is a kid's autumn/winter granny square hat. 【Size】 ・Head circumference: Approximately 52 cm (measured flat) ・Depth: Approximately 16 cm ・Brim length: Approximately 4 cm ・Stretchy. It has strings, so it's adjustable. There may be some errors due to amateur measurements. 【Material】 ・100% Acrylic This is a handmade item, so it is not perfect. Please understand this before purchasing. If you have any questions, please comment before purchasing.