Handmade. Knitted body and crocheted brim. Double layered except brim. Pom pom can be removed. Can be washed after removing pom pom. 100% Acrylic. Numbers can be embroidered once payment has been done at no extra cost. Will fit most adult heads. Please get in touch if unsure. Please be aware that returns will not be accepted despite eBay policy as it is a wearable. Thank you for looking.