Basket fiber is a type of material used to make baskets, and includes istle, raffia, SISAL, and STRAW. Istle is a type of fiber derived from the leaves of the agave plant, and is commonly used in Mexico and Central America. Raffia is a type of palm fiber that is strong and durable, and is often used to make baskets and other items. SISAL is a type of fiber derived from the leaves of the agave plant, and is commonly used in Africa and South America. STRAW is a type of grass fiber that is light and flexible, and is often used to make baskets and other items.