this seciton sisal/cotton polishing mop is for European Standard (FULL DISCS OUTSIDE AND TRIANGULAR SECTION INSIDE ). we learn this know-how from Italy to mix sisal/cotton together to make this European Standard polishing mop and now sell many to whole European market. and we also can sew sisal/cotton spiraly by pure cotton yarn or nylon stitching yarn. Origin chinese, Africa,Brazil Material sisal, cotton, cotton yarn or nylon stitching yarn Delivery lead time within 20 days Supply ability very strong