Depending on which opening is turned to the front you can use this trixie dispenser for food or water allowing your pet to eat and drink as much as it likes for as long as it likes until the dispenser requires refilling trixie water or food dispenser is available in two sizes 0 6 lire 18 x 12 x 19 cm l x w x h 1 5 litre 26 x 17 x 23 cm l x w x h