The latest version sliding design: when your dog wants to drink water, you can pull out the sink; When your dog drinks enough, you can slide away the sink, an ideal travel water bottle for dogs, cats and many other small animals Leak protection: the dog water bottle is equipped with a locking button and a silicone seal. You can freely open or block the water in the bottle; You don’t have to worry about the bag getting wet or wasting water; Suitable for outdoor travel, hiking, camping, walking. Easy to Use: Just press the button to pour out the water, then release the button to stop the water and prevent the water from flowing out. Also, you can install a filter element to purify water so your pet can drink clean and healthy water (Filter element is not included). water for all outdoor activities; Bottle Size: 19*6.5cm, Bottle Capacity: 300ml; Easy to put in your backpack, bag or suitcase with a lanyard