Top 5 Mason Jar Ideas - Take Center Stage: Wedding Table Numbers. Mason jars make wonderfully simple centerpiece containers. One easy way to make your flowers a focal point is by placing them in these understated jars. Embellish them with a little burlap or colorful ribbon to go with your theme. Elevate them on wood slabs, vintage cake stands, or line them up along a banquet table. Photo from Limefish Studio.