Shoe String King Waxed Cotton Oxford Replacement Shoelaces - Chose your colors and size Style: Shoe String King's Waxed Cotton Round Laces, 1/8" (3 mm) wide. 1 Pair (2 laces) Superior strength and quality, wax coating provides lasting knots and waterproofing Vibrant colors with matching color tips Durable and washable, replaces all strings.