Superior Quality: The cup hooks is using high-strength clear plastic PET material and high-tech locking technology which is environmental and aesthetic that blend in beautifully with any decor and will not turn yellow or reduce adhesion over time. . Heavy Duty: The vacuum hooks can hold up to 6.6 lbs and the curve of the sturdy hook is bigger so that is not limited to hanging small object. You can hanging bag, coat, key, hat, scarf in livingroom, organizing shower curtain, towel, robe, loofah, sponge, apron, utensils in bathroom and kitchen or holding daily or festival decorations indoor or outdoor. . Easy to Install: No need extra tools like glues, screws or nails, just a few seconds to finish installation, simply push and lock the cup on a smooth surface after cleaning with wipes.. . Removable & Reusable: Lift the hook or use a flat blade to release the cup without any trace left like sticky residue or stains. Soak the cup hooks into the warm water ( 50-60) you can use it again after drying. . Wildly Use: The hooks can securely sucks on window, mirror, glass, metal or other non-porous surface, it can meet your different needs that very convenient to organize bathroom, kitchen, bedroom, office, school, hotel or store. .