The features of trigger spray pumps are:

1. Easy to use: Trigger spray pumps are easy to use and require minimal force to activate the trigger. The user just needs to press the trigger, and the liquid sprays out in a fine mist.

2. Adjustable nozzle: The nozzle of the trigger spray pump can be easily adjusted according to the need for a wide or narrow spray pattern. This makes it more versatile and useful for different applications.

3. Durable: Trigger spray pumps are made of sturdy materials such as polypropylene, which makes them durable and long-lasting. They can withstand harsh chemicals and can be used for a long time without any damage or wear and tear.

4. Convenient: Trigger spray pumps come in different sizes and shapes, which make them convenient for different uses. The small-sized pumps can be used for personal care products, while the larger ones are suitable for household cleaning products.

5. Cost-effective: Trigger spray pumps are an affordable and cost-effective solution for dispensing liquids in spray form. They are available in bulk at affordable prices, making them a popular choice for manufacturers.

Overall, trigger spray pumps are efficient, versatile, and cost-effective devices that can be used for a variety of applications. They are an essential tool for everyday use, making it easier to dispense liquids in spray form.