Strong, corrosion resistant plated steel hook is ideal for window mounted signs or self-hanging products. Easy one step hanging. High-quality cup with unique reinforcing rings for added strength and long-term holding power. Please note: Temperature and humidity may cause a suction cup to lose its grip. When applied to a clean, dry, non-porous surface above 40°F (5°C), these cups should have an operating range of -22° to 120°F (-30° to 49°C).
