These durable nylon fence risers are the same ones used by many pontoon boat manufacturers today. When this tiny pontoon accessory is added between the railing and deck of your pontoon boat it immediately begins protecting your investment. These risers will slightly lift your railing, allowing air and water to pass under the fence It will also eliminate pooling water on the deck of the boat which will double the life span of your carpet. 32 pontoon fence risers are included in each package. 32 - U Shaped Pontoon Fence Risers 1/4" or 1/2 " Thickness Made from Nylon for durability Simply loosen fence bolts and slide between railing and boat deck then tighten back down.