Features: Easy to use. Simply unscrew the bottle, fill it with water, and tighten it. When your pet needs a drink, just press the button on the bottle and the water will be distributed to the tray. The total capacity of this bottle is 450 ml. If you're out for a short walk or a long day hiking in the mountains, this size fits perfectly in any bag or tote. With the help of a lanyard, you can also attach it to a belt buckle for easy access. The bottle comes with a cord so it can be attached to your backpack or belt when you're out and about. Or, if in a car, place it next to your pet by attaching it to a pet crate. It's important to keep pets hydrated when they're out. Quickly flip up the top to create an for extra cup, easily flip the top back down when finished drinking. These bottles are leakproof, so you can be sure they won'for t overflow. The button has a fail-safe mechanism to stop and release water as you expect. Specifications: Material: Plastic Color: White/ Blue Capacity: 450ml Size: 8.3x8.3x17.2cm/3.27x3.27x6.77in Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Portable Dog Water Bottle