Lighthouse Girl\'s Bobbie Bobble Hat - Pink Navy A bobble hat completes an outfit in the colder months and keeps little heads and ears toasty, whether on the walk to school, building snowmen or toasting marshmallows on an autumn evening. Made from 100% acrylic, the Lighthouse children\'s bobble hats are cable knit for comfort and machine washable for mums and dads. With cute marl detailing in colours that complement the rest of the Lighthouse range, this is the ideal hat for your little one this Autumn/Winter. 100% Acrylic Cable knit Machine washable Size Circumference 2-4 Yrs 34 5-10 Yrs 38