The shape of Albidalove's ab board is designed as a butterfly,which ensure it can fit perfectly to cover your whole abdominal area without any discomfort.Adding a PP plastic hard board in the middle part to protect your abdomen from the discomfort that was caused by long-term wearing of ordinary waist trainer after lipo/bbl surgery. tummy flattening board will not irritating your skin or incisions, help out in the recovery process of liposuction or tummy tuck procedure.