Fashion Polka Dots are manufactured by Schiff Ribbons, one of the largest domestic manufacturers of ribbon. Swiss dots are printed on Polyester Grosgrain ribbon. Please note that each do is approximately 1/16 inch in diameter. Each width differs in the number of rows of dots: 3/8 inch-2 rows, 5/8 inch-3 rows, 7/8 inch-5 rows, 1-1/2 inch-8 rows.