Enough for daily use: you will receive 20 suction cups, each suction cup measures about 1.57 inches/ 4 cm in diameter, small and compact enough to meet your needs for hanging utensils and tools in daily life. Strong glass suction cups: the suction cups with screws are made of transparent PVC material, equipped with screw nuts, which have good suction, and are lightweight, waterproof, reliable, providing you with a long-lasting application. Wide application: these window suction cups are applicable for most smooth, flat and clean surfaces, such as glass, windows, mirrors, refrigerator, doors, bathroom walls, fiberglass, metal, ceramic tiles and other surfaces. Wipe them clean before use, then we can easily attach them to the place. target Reusable and portable: if you move or change these suction cups for glass to another place, just remove the wreath window suction cups with a knife and press them directly on a smooth surface and remove the internal air, which will keep a good