These bat wings are a fun and really easy to make addition to any dress up box. They only took me around ten minutes to whip up with some black lycra fabric I had laying about in m sewing room. Only one seam is required which you can do by hand if you don't have a sewing machine. These wings can be made for a child or adult if you adjust your measurements accordingly. Only a little maths is required to work out how much fabric you will need to start off with.