【Abundant Quantity】You will receive 20 window suction cups, each suction cup is about 40mm in diameter, small and compact, easy to carry, can meet your different hanging needs, save space and keep tidy. 【High-quality Material】These suction cups are made of high-quality PVC material, sturdy and waterproof, safe and durable, not easy to yellow or deform. The suction cup is transparent and does not affect the overall decoration style. Strong adsorption capacity, soft material, no damage to the adsorption surface. The screws are made of metal, which is stable and reliable. 【Knurled Nut】These suction cups come with a knurled nut, which is the accessory installed on the top of the suction cup. With the screw-in design, you can simply screw the nut into the screw to hang or fix objects securely and easily. 【Easy to Install and Remove】Wipe the surface of the target location before use, then press the suction cup on a smooth and dry surface to expel the air, no screws or drilling required.