1. Dog water bottles are equipped with an activated carbon filtration system that filters impurities and chlorine, effectively helping to remove odors and antioxidants, and providing cleaner, safer water for pets. 2. [2 in 1 Water & Food Dispenser] The upgraded Pet dispenser can be filled with both water and food to keep your dog from getting thirsty or hungry while walking or traveling. 3. [double leakproof design] Bottle cap silicone seal and safety lock key design, prevent water leakage, one key lock/open design, no longer due to accidental extrusion leakage, can be shaken at will. 4. [Portable and convenient] Retractable design, with suspenders, suitable for outdoor carrying and daily use. Suitable for dogs, cats, rabbits and other pets easy to drink. You can carry the bottle in your backpack or use a sling on your hand.