Anti-Corrosion Wand: The wand is made of silicone and copper, so it is durable and does not rust easily. Its sturdy rubber bulb and rust-proof lances make this sprayer superior to others. It is built to last. Repellent, insecticide. Soft Bulb: The bulb is made of soft gel, making it very easy to squeeze. The pest control bulb is translucent, which makes it easy to fill, see the powder and avoid spills. Reach Tight Spaces: Unlike other brands, these longer and adjustable lances allow you to spray even hard-to-reach areas. Like corners, eaves, and crevices between large appliances and cabinets. Repellent, insecticide. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.