The laces give confidence in their strength. 5mm is a little too big as diameter for DrMartens, it goes, but it does not slide easily, it is more difficult to tighten.
The length is consistent with that indicated in the product data sheet. The weaving quality and seems quite durable (check in a few months). The color is brown but with a color that pulls slightly to the burgundy (my brown shoes it does not shock). S