This is the typical all-purpose concrete mix, which has a variety of applications, including sidewalks. It works well for a concrete sidewalk construction or repairing walkways such as ramps, patios, steps, and curbs. These are available in 40-pound, 60-lb, and 80-lb bags.
Rebar may also be utilized on sidewalks that must regularly bear impact. The inclusion of rebar does not benefit sidewalks used for general traffic. If your sidewalk requires repairs, adding rebar may end up costing you more in the long run.