Appears sturdy. Very nice sturdy rack , and easy to install. The push-in ear plugs fit snugly and comfortably into my ear and expand gently for the perfect fit. They run sightly large, but it?s perfect because he will grow into them. Maravilloso. Excessive earwax, as in extreme earwax buildup that needs to be removed daily, runs in my family. I opted for earbuds with ear hooks to keep them safely on the ear as the ones without would undoubtedly fall out at some point. Look much better and less goofy than in the product pics. Was hoping for more improvement in mid and base with 30 years of development time. First off, these shoes could not be uglier.