we have bought six of these dinning chairs ,five are perfect comfortable and very pleasing to the eye brilliant ,accept from one you sink into it so uncomfortable ,batch/i.d no pc2009 .if this helps they all look exactly the same i thought i was sinking to the floor we don't use them often as is usually only me and my husband but we had three extra guests for dinner it made us laugh but would be much appreciated if you would help with this awaiting your earliest reply Mrs caroll  Wilson.