HTS code 4115.10.00.00 covers "Composition leather with a basis of leather or leather fiber, in slabs, sheets or strip, whether or not in rolls; parings and other waste of leather or of composition leather, not suitable for the manufacture of leather articles; leather dust, powder and flour › Composition leather with a basis of leather or leather fiber, in slabs, sheets or strip, whether or not in rolls" under the US Harmonized Tariff Schedule. This is the official duty rate charged by US Customs when this product is imported into the United States, sourced directly from the U.S. International Trade Commission and refreshed daily.