The high quality threshold or barrier seal is made of silicone rubber and is safe, flexible, heat resistant and abrasion resistant. No unwanted odors. Smooth surface, easy to clean. Time saving for kitchen cleaning. Easy to remove, no glue left behind. Easy to use Cut the flexible silicone strip to the required length, remove the pre-adhesive strip and install the shower drain where indicated. The edges of the silicone water barrier should be sealed with glass glue.Leave to dry and do not come into contact with water for at least 24 hours. Dimensions Barrier dimensions: width: 1.6cm (0.63in); height : 3 cm (1.18 in). Different sizes are available; so you can measure the approximate size required before placing your order to avoid shortages or waste. The well-functioning bathroom shower threshold provides good protection, keeping the water in the shower and preventing overflow without having to worry about water damage. It can be applied to flat, smooth tiles, glass or ceramic, and works great on the outside edge of shower trays and bases. Note: Data is all manual measurement, if any please allow 1 - 3cm error, due to the light and display difference, there will be some color difference, depending on the physical object received Shipping Quantity: (according to the main picture)