[With Rolling Ball] This hanging pet dog water dispenser head is equipped with a ball-shaped ball-type nozzle that can dispense water like a pet to licking, very easy and convenient for your pet to drink. [Multiple Applications] This Pet Puppy Fountain Bottle Head Nozzle can be attached to any place you like, such as walls, wood, cages, etc. [Fits most water bottles] The top of this pet fountain head is suitable for most standard water bottles. [Good supply Essential] This Pet Bottle Dispenser Head is a good essential supply for your pet or outdoor pet. Suitable for pets, dogs, cats, rabbits, hamsters, squirrels, etc. [Simple and practical] This water dispenser fountain bottle head is simple and practical, clean and very affordable to use.