Quick and easy: one-handed operation, press the water button to add water, release to stop the water. Unused water can be returned to the reservoir simply by pressing the water button. SAFE AND DURABLE: This portable dog water bowl dispenser is made of high-quality materials, lead-free, BPA-free, safe and durable, and easy to disassemble and close clean. Portable and lightweight: Sufficient capacity of 12 ounces (about 340.2 grams), compact water bottle design, ideal for your dog or cat to walk, run, hike, travel or play outdoors, etc .You can put it in a backpack or hang it on your hand with a sling cord, very convenient to carry.