OK for the price. The fabric is very thin and I can already see some threads fraying after about 1 month of use about 5 days a week. My Phillips gym bag didn't have an "extra" compartment as advertised, but the main compartment serves my purpose of holding my MP3 player. You get what you pay for. This accessory will satisfy the needs. How long depends on your usage behavior. If you're looking for a reliable solution, spend $$ and buy a high-end model. If you're a weekend warrior, chances are this will work for you.
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