Vintage Whistle marked Taiwan. The ball inside is wood or clay to make the whistle sound. I am not certain but showing the ball in a picture in this listing. Size 2 1/4 X 3/4 over all. Good used condition. Please ask any questions. Shipping cost is actual cost, no handling fee. This item will ship from USA, St. Albans, VT zip code 05478 in a 6 X 6 X 6 package and has a total boxed weight of 5 ounces. Please search for Allie's Vintage Alley to see my online store.