Check the listing for details. 3" High Collapsible Shower Threshold Water Dam 59in 59inch, High/White. Color: 3 high white, Condition: New. Listed at 54.29 USD. 3"tall Shower Dam Size: 59" L x 1.2" W x 3" H. Easy To Install. It Can Be Installed By Tearing Off The Adhesive Strip On The Back. Suggestion: Adding Glass Glue On Both Sides Of The Dam Body Can Achieve Complete Waterproofing And Firmness, And Extend The Service Life.