sapu nylon" could refer to a broom or brush made with nylon bristles. Nylon bristles are commonly used for brooms, brushes, and other cleaning tools because they are durable, flexible, and effective for sweeping and cleaning various surfaces.
The word "sapu" is the Indonesian and Malay term for "broom" or "sweeper." It is used to refer to a cleaning tool that is typically used for sweeping floors, gathering dust, dirt, and other debris.