Gordon Glass® Clear Vinyl Bulb-Seal with Pre-applied Tape for Frameless Shower Doors, for 1/4" Gap - 73" long Length: 73" Width: 1/4" Maximum Gap: 1/4" Pre-applied tape for easy installation; labor savings due to pre-application of tape. Simply peel back the thin red lining to expose the clear tape. Note: Make sure mounting surface is clear of residue and cleaners before application; clean the surface of the glass with rubbing alcohol prior to installation.