Shacke Flat Shoe laces 5/16" (2 Pair) &ndash; Perfect for sneakers and converse shoelace replacements 30" inches (76 cm) Length x 5/16" Wide 2 Pairs (4 Laces) Included in Package Made from High Quality Fabric Remove your existing shoelaces that you are trying to replace. Measure them with a ruler and determine their size Purchase the same size according to what you&#039;ve measured or purchase something longer or shorter if that is what you need.