Tenax Guardian is a lightweight visual barrier suited for use around utility work construction sites or in crowd control applications. This safety fence is perfect for sporting events concerts fairs and carnivals when a visual barrier is needed. It has a round mesh design is highly visible and is easy to install and remove. Guardian is Tenax s most popular and best-selling warning barrier. Guardian Warning Barrier is an economical fence with multiple uses. Uses include around construction sites and for crowd control. This safety fence is perfect for sporting events concerts fairs and carnivals when a visual barrier is needed. It has a round mesh design is highly visible and is easy to install and remove.