Features: Easy to use. Simply unscrew the bottle, fill it with water, and tighten it. for Extra water or snacks storage space at the bottom. 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 550/300 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. Large-diameter drinking for tank, wide-angle opening, not stuck, more suitable for dog mouth structure, making drinking water easier. Suitable for walking, riding, or hiking with your dog. Package Includes: 1x Portable Dog Water Bottle Specifications: Material: Plastic Color: Green/Pink/White Capacity: 550/300ml 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.