As long as you take good care of it, your travel neck pillow should last you a good few many years. If it is made using a hard-wearing, durable material such a leather, it will pretty much last a lifetime! Travel pillows that have been and foam cores will still last you a while if you look after them but will need to be replaced over time. Where possible, try to select options with machine washable covers to get the most wear out of them.