Made of a durable spunbond sock and net filled with 100% polypropylene particulateOil only booms are used for marine spillsDurable rope runs between the sock and net allowing all tension to remain on the ropeHooks and clips at ends and 18" provide overlap at connection pointsQuick snaps provide easy handling and permit to attach multiple lengths togetherUV resistant for up to 12 monthsOil only booms are made from 100% polypropylene, and absorb more than 25x their weight