Reliable Quality - Strong suction cups quality is reliable. They are made from carefully selected materials. suction cups can be used for a very long time. Robust - Consisting of screw suction cup, lid and screw cap, glass screw suction cups are heavy duty suction cups. Having strong suction power, they are very suitable to be used on windows or tiles. Easy to use - clear window suction cups are easy to use. You need to make sure the window, glass or tile is clean and smooth and the air inside the suction cup is fully expelled. And then window suction cups will have excellent fixing effect. Wide Compatibility - Powerful screw-on suction cup hooks have wide compatibility. It can be hung on many different places, such as smooth window panes, shower walls, bathroom tiles, etc. Widely Used - Our strong screw suction cup hook can be widely used for hanging items. stainless steel supplies, toys, office supplies and other daily necessities. Perfect suction cups.