Easy To Install: Our window suction cups can be used directly without soaking in warm water, just make sure the and the suction cups are clean, press them to adhere and then tighten the nut to complete the installation. Easy to operate, save time and effort, suitable for any user. Strong Adhesion: Our suction cup hooks heavy duty are made of high-strength transparent environmentally friendly PVC material, soft and thick, stronger suction, can be easily fixed on smooth surfaces, and can be firmly fixed for many times of use, and are not affected by heat or cold, to that the decorations are hung safely and without worry. Package Includes: You receive 8pcs thickened suction cups with screws, about 5.5cm/2.16in in diameter with M6 x 14 threaded screws, thickened edge design for more suction and strength, widely applicable to meet your many . Anti- Design: The screws and threads are made of 304 stainless steel with excellent anti- performance, which can be used freely in the bathroom and outdoor, and the design of the screws and nuts is more convenient for fixing and dismantling, which enhances the convenience and safety of use. Wide Use: These large suction cups can be applied to most smooth surfaces such as glass, acrylic, metal, tiles, car windscreens, etc., suitable for bathrooms, , offices, cars and many other occasions., Weight: 0.33400032693 Pounds, Manufacturer: Aisuoka