Patent ID: 7514591

Claim:
An interlabial absorbent article configured for disposition primarily within the vestibule of a female wearer, comprising: a generally liquid permeable, non-apertured cover sheet comprising a first material; a generally liquid impermeable back sheet comprising a second material, said second material different from said first material; an absorbent material disposed between said cover sheet and said back sheet; wherein said back sheet has a water vapor transmission rate that is at least about 20% of a water vapor transmission rate of said cover sheet, up to a water vapor transmission rate of about 50,000 g/m 2 -24 hrs; wherein said cover sheet and said back sheet have a contact angle mismatch of less than about 25%; and wherein upon being flushed, said article has an initial neutral buoyancy and subsequently sinks within about 7 days from being flushed.