AttentionFor a better seal, it is must to use silicone sealant to fill the edges of the water barrier and dry for 24 hours until the sealants is solidified(our products do not contain silicone sealant).The height of the shower threshold strip is only 0.47inch/12mm, not cause movement obstacles.The bath splash guard can only be fixed in a straight line, not bent.At the corners we recommend cutting to 45 degrees, splicing 90 degrees to paste, the adhesion will be more durable and strong. Easy to Install: First clean and dry the counter(or the floor)surface, measure and cut the shower water stopper to your length, peel off the red adhesive back strip, stick to the smooth surface(In winter, you can use a hair dryer for heating to achieve better viscosity).For a better seal, it is must to use silicone sealant to fill the edges of the water stopper barrier and dry for 24 hours until the sealants is solidified Solve Water Leak ProblemsThe water dam barrier has a good waterproof effect. It can be used on shower floors,shower trays,kitchen sinks,under bathroom doors,bathtub edgings,around washing machines or toilets to form a water barrier, effectively stopping the flow of water and achieving wet and dry separation. Environmentally Friendly Silicone MaterialThe shower water barrier is made of high-quality solid silicone,waterproof, safe and odorless, resistant to high temperature and wear, durable.The shower threshold barrier is also soft and bendable that can be freely cut as needed,the smooth surface is easy to clean, making your kitchen clean and tidy. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.