Premium quality - strong suction cups use high-strength transparent PVC and ABS materials. They are durable, wear-resistant, not easy to break and very reliable. Robust - Consisting of screw suction cup, cover and screw cap, screw suction cups for glass are heavy-duty suction cups. Having strong suction power, they are very suitable for use on windows or tiles. Excellent suction effect - versatile window suction cups are powerful. They have an excellent suction effect. To use it on glass or window panes, please make sure the glass is clean and smooth and the air inside the suction cup is fully expelled. High compatibility - clear suction cup hooks to screw are of high compatibility. They can be hung on glass, tiles or walls to hang various kitchen, bathroom, bedroom or living room items. Wide Application - Our all-purpose screw suction cup hook has wide application . It can be widely used in your daily life. Can be used to hang stainless steel supplies, toys, office supplies and other daily necessities. Even this can help repair the aquarium.