Kids' Toy Helmet Perfect for pretending to be a LEGO figure, playing factory, or for Halloween costumes! - Color: Yellow - Material: Plastic - Size: One size fits most children - Inner width: Approximately 15cm - Inner length: Approximately 17cm - Note: While the maximum length is 18cm, considering the helmet's shape and head shape, it's best suited for heads around 17cm. Thank you for looking!