Size can be adjusted with the waist ties. Both are mesh type. The Konny comes with a convenient drawstring bag. The Kerata one didn't, but it folds up compactly and doesn't get in the way when worn over the shoulder. I found both very useful. They have been used to a certain extent, so there may be some signs of wear, but there are no noticeable stains or marks. They are still in good condition and can be used. However, please refrain from purchasing if you are overly concerned about minor imperfections. Also, the shipping method may change between Yu-Yu and Raku-Raku. They will likely be compressed for shipping. Please purchase only if you understand and accept this.