PontoonFence.com’s fence riser Kit contains 30- 3/8" plastic fence spacers that lift your pontoon fence railing off of the carpet or vinyl floor. This allows for water to simply roll off the side of your pontoon boat keeping your carpet or vinyl floor free of mold and mildew. Designed as a U shaped piece allows for easy install on any brand of pontoon boat. Available in either gray or black to match your railing color.