Langsprit Frenchie Female Dog Diapers No Tail Hole,Reusable Puppy French Bulldog Diapers Female for Period Heat,Washable Doggy Doggie Diapers for Female Dogs Small Medium Large Size（Medium）

I used these for my male frenchie in his senior years but they stayed up and I think might work for you. https://www.amazon.com/Langsprit-Frenchie-Reusable-Washable-Size（Medium）/dp/B0DBZ6H6NR/ref=mp_s_a_1_15?crid=50U9EA6WGBBT&dib=eyJ2IjoiMSJ9.9fTpbk0DIEehYAQVMVBZO8CriGiY1K0ogEc1CBBjBmHO7qpnn6xZVg5oTD5Yv0U47m0ZCae233lDWhpuVZanYlg1044lh-Puv9CGYlktTYomneG3PafXe7N5NPAuUYI_qXS_lY6kBEdLZC_T5y0DRqwLuXZzsQYhhvne2AFn_X0ug1KAEYpS4TQ53iOHXGD2XMczZH1MrbQkIHReOJPjHw.PE3-Y0Tt7fPqyTlBNzFP3UT65ppigSPjai_d2UotRC4&dib_tag=se&keywords=dog+diaper&qid=1782391245&sprefix=dog+diaper%2Caps%2C188&sr=8-15