The Post Mix Concrete is specifically created from pre-mixed formulation which helps set materials quickly. It helps in the fast setting for many products including metal fence posts, wooden posts as well as concrete posts. The process of setting is no longer than 5-10 minutes. The Post Mix Concrete is shower and rip resistant and comes with a shelf life of 12 months starting from the time it was produced. Easy to use, simply mix the concrete with water. The Post Mix Concrete needs to be stored in a cool dry place.