Hat Size: Regular Size: W29 x H41cm with Diameter 4.5cm Pom pom for Adults, and W25 x H35cm with Diameter 4.5cm Pom pom for kids. What custom size of hat would you like? pls let us know. Material: Polyester Felt Fabric, Plush/Velvet Fabric or Fleece Fabric. Envonmental Protection Material, AZO Free and Cadium Free, reach to test and pass. MOQ: Usually 1000 units, How many quantity?