Pet Loo Replacement Pet Grass for DogsSpecifically designed to fit the Pet Loo Orignal and Pet Loo Mini Wee. There are many varying types of synthetic grass on the market. The synthetic grass used for The Pet Loo is of optimum quality designed and developed specifically to reduce your hassles. After lengthy testing, we have ensured that the perforations on the base mat guarantee maximum drainage. The grass only needs to be replaced if you feel it's necessary.Cleaning is easy. Just pour warm water over the grass daily or alternatively lift it out and hose it down (in the shower if necessary) - remove the grass to allow it to dry. Pet Loo Wee Care Pet Loo & Toilet Area Cleaner for Dogs is designed especially for cleaning the Pet Loo grass and can be sprayed on the Pet Loo 2-3 times a week for hassle free cleaning (sold separately). For times when The Pet Loo is not in use remove the grass from the base to air it out.Quick Tip - It's always a great idea to have some replacement Pet Loo Grass on hand to help with the cleaning process. While one is being cleaned, aired out and dried... use the replacement in the mean time. Be sure to select the correct size that correlates with your Pet Loo.Pet Loo Original - compatible with Orignal size replacement pet grass.Pet Loo Mini Wee - compatible with Mini Wee size replacement pet grass..