Enough for daily use: You will receive 20 suction cups, each approximately 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, equipped with screw nuts, providing good suction power and being lightweight, waterproof, and reliable, offering you long-lasting use. Wide application: These window suction cups can be applied to most smooth, flat, and clean surfaces, such as glass, windows, mirrors, refrigerators, doors, bathroom walls, fiberglass, metal, ceramic tiles, and other surfaces. Wipe them clean before use, and we can easily attach them to the target location. Reusable and portable: If you move or change these glass suction cups to another location, simply remove the suction cups from the crown with a knife and press them directly against a smooth surface to eliminate internal air, maintaining good performance for multiple uses. Applications: These hookless plastic suction cups can be used to hang license plates, sunshades, acrylic panels, rattan furniture, wreaths, and larger decorations, suitable for kitchens, offices, bathrooms, cars, etc.