The validity of a Netherlands Tourist Visa depends on your travel plan and the decision of the visa officer. Generally, it allows you to stay for up to 90 days within a 180-day period in the Schengen Area. The visa may be issued for single entry, double entry, or multiple entries. Even if your visa is valid for a longer period, you cannot stay more than 90 days in any 180-day timeframe. Always check the dates mentioned on your visa sticker carefully.