I had a runner covering the seam where my carpet was stitched together. No matter what I did, the rugwould not lay flat. I tried a mat underneath it and laid heavy books on top of the rug, but it still bunchedup. I lived with this for several years, but on Prime Days, I decided to check the smaller rugs to see if Icould find a matching set. These rugs are so much nicer than I even hoped they would be. I purchased two3x5 rugs. They blend with my carpet and hallelujah...no more bunching!