Dimensions: 1.2cm (H) x 2cm (L) This is a 1.2cm (W) water tray that can be used as a shower threshold for frameless shower doors to prevent water leaks atthe bottom of the door.It can also be installed around sinks and bathtubs to prevent water from falling onto the floor. Easy to install: Clean and dry the surface, remove the tape and press the surface.In order to enhance the fixing and waterproofing effect, transparent silicone sealant can be used to seal the bottom edge after gluing.It should be wrapped around the edges or seams to prevent water leakage (for better adhesion, tape and tape can be used. Silicone: The bumper is made of soft silicone resin and can be cut lengthwise with a knife;Safe, durable, waterproof, resistant to high and low temperatures. Easy to clean and maintain, just wipe with a damp cloth. Multiple Uses: The shower barrier can be adhered to almost any smooth surface, including walls, floors, tiles, etc.It can also cover the gaps between the tub or counter and the wall, making it waterproof and dustproof.