This gap is made of rubber, but not soft as silicone, it performance well on water splash-proof, warm keeping. It performance well on water splash-proof, warm keeping Perfect to seal gaps between your Screen and Floor, Such as shower doors, sliding doors, sliding doors, glass doors, door bottoms. Easy to install -seal strips are easy to customize, scissors or blades can be cut to size and easily bent into any shape. Remove the old shower box seal from the glass door and press the new gasket onto the shower door from below - complete. Eliminate cleaning troubles, water stains and oil stains can be easily cleaned up Note: without glue, glue is required