Quality built, no flaws or weaknesses at all, except me getting them dirty. Where the power supply is located (top of case), the decal is now upside down. These are very good value for money; a bargain. I saw a sea of good reviews and only one review talked about a problem with the pressure the shoes put on your arch. Waist of money ?? the string not strong enough got it yesterday and it broke today. They are leather and do not stay tied but they are not needed to keep the shoes on so you can sow the bow and keep your little one from tripping. I definitely recommend and would buy again These have very crisp, detailed and slightly elevated highs. Perfect project for a quarantine time garage clean out and organize. It suggests he can write on a variety of topics.