Adams Manufacturing 6000-74-3040 2-1/2-Inch Suction Cup Hook, Large, 2-Pack;

Adams super-strong suction cups do not yellow, deteriorate, or lose adhesion over time. These suction cups have light diffusing rings that prevent focused light from damaging interiors, while the superior material resists yellowing. The metal "U" hook design, is deep and ideal for window-mounted holiday ornaments, stained glass, and decorations. You can use it in the home, office, bathroom, garage and anywhere else you can think of.