Large Capacity - With a 4L capacity, the pet water dispenser is ideal for small to medium-sized dogs or cats and will sustain it for 2-10 days. You may use this automatic waterer for cats and dogs while traveling or at work, and you wont have to worry about your pet running out of water. Superior Materials - A BPA-free silicone placemat has been thoughtfully included to keep the cat waterer stable and the floor dry. The water bowl of the water feeder is made of higher quality food grade 304 stainless steel, durable and safe, which can ensure the safety of your pets drinking water. Gravity Automatic Refill & No Leakage - This pet waterer uses gravity to fill the water on its own, no electricity required, so you dont have to worry about the cord being chewed. The gravity water bowl for cats will automatically stop filling to prevent overflowing when the water in the base reaches a specific height. Easy to Use &