Prime-Line M 6258 Frameless Shower Door Bottom Seal &ndash; Stop Shower Leaks and Create a Water Barrier (3/8&rdquo; x 36&rdquo;, Clear Vinyl) PERFECT FIT - Fits 36" frameless shower doors; bottom seal; fits 3/8" thick glass; slip on fit, no adhesive necessary; clear color. GREAT WATER BARRIER  Use this M 6258 frameless shower door bottom seal to prevent leaks and keep your bathroom looking great. Made of clear vinyl material, its designed to attach to the bottom of frameless, swinging shower doors without adhesives. EASY TO INSTALL  Installation takes just minutes, and no adhesive is necessary. This shower seal fits a 3/8 x 36 swinging shower door. CAN BE CUT TO SIZE  This shower door bottom seal is 36 long, but can easily be cut to fit a shorter shower door with a hacksaw, tin snips or utility knife. NOTE TO BUYER - The genuine Prime-Line part will have an insert showing "M-6258" & "Prime-Line" clearly printed on it. Some third party sellers are shipping a different version with a shorter fin. Measure the bottom of your shower door before buying.