Because they do not have a motor, most carpet and floor sweepers are very lightweight. You should expect yours to be well under 10 pounds with most coming in at under half of that. The handle of these sweepers can either be one solid piece or may come in sections that are threaded together. One or more of these sections can be omitted so that a shorter adult or a child can use the sweeper with greater comfort and control. Another aspect of the size of the sweeper is the cleaning path. The path is not the actual size of the cleaning head of most sweepers but instead refers to the length of the rotating bristles. This can be as narrow as 6 inches to a width of 13 inches. The wider the cleaning path the quicker the cleaning should be done.
Whether they are made of metal or plastic can impact weight and durability but even the galvanized steel carpet sweepers remain comparably light and will last much longer than the average plastic model will.
Finally, you have to consider the height of the cleaning head. Most are able to get under most furniture especially if they are designed to lay down flat. Very few models of floor and carpet sweepers have height adjustments and even then it is only 1 or 2 at most. Keep that in mind especially if your home has a wide range of flooring types. Obviously this sweeper will work better on a deep carpet than it would on a bare floor if it is barely making any contact with it.