"Aunt Chris' Products - All-Purpose Hanger - With Giant Size Suction Cup - Extra Large Hanging Hook Loop - Use For Holding - Stain Glass, Towels, Wreaths and More (Rated For 10 Lbs). Giant Suction cup for holding large items - Suction cup is 3 1/4 in. in diameter Hook is made of durable plastic - Rated to hold up to 10 pounds - Clear color to blend in any where you hang it Use in bathroom, window display, kitchen and more - Specialial design suction cup for long lasting holding Patented suction cup holds in hot or cold weather - Has large curved looped hook better holding Apply suction cup only on clean smooth, non-bumpy surface. Any oils, soap scum, dirt and residue on a smooth surface will not let any suction cup stick for any length of time