Properties:BUILT-IN STRONG Glue: Load capacity up to 5kg, higher adsorption power than conventional suction cups.Suction cup with a vacuum locking ring effectively prevents the suction plate due to the air pressure, which loosens the tension and firmly blocks the vacuum.NO BORING:Installs in just five seconds by placing it on the surface and pressing the safety lock switch.Not affected by water vapor and wall back to flood. Can also be used in the bathroom and other damp environments.PREMIUM QUALITY: Made of high quality ABS material, durable and portable. Ensuring quality and durability, lightweight but robust.LONG USE:The adsorption membrane has memory. If you change the installation location, you only need to wash the vacuum cleaner under tap water.After drying, the vacuum cleaner can be used again.Widely Used: Suitable for all kinds of drawers, hooks hanging.Widely used for glazed ceramic tiles, glass mirrors, pattern tiles, frosted glass, lacquered wood surfaces and other unevenness with a convex surface of less than 1mm.Specification:Material: ABS Suction cup diameter: 6.4 cm Size: 6.4 to 6.4 to 5 cmPackage includes:Glass door knobs Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!