If your cat has a history of accidents during traveling, Acci-Dont’s offer protection for your car seat, your clothes and the carrier. The liner has adhesive tabs and is easy to secure to the bottom side of the bag. 4 Liners per package. Using Acci-Dont’s: - Turn your bag carrier inside-out. - Spread the liner on the bottom side of the bag (the side without the handle). - Peel each adhesive tab and affix the Acci-Don’t to the material. - Turn the bag right-side out.