Related: LOWES launches dog flannos so that you can match your pet pooch this winter! Her business ‘Big Booty Britches’ now stocks three types of custom-fit dog nappies including, smell absorption nappies with carbon and activated charcoal filters for $40, incontinents nappies for $40 and nappy covers for $30. The whole idea started when Tess adopted an Australian bulldog called Sophie.