Aquarium accessories -automatic fountain Highlights generic brand automatic fountain Description: Hygienic, easy to clean and use. Double ball design, the animal's tongue licks the ball upwards, the water is exposed, and the water does not move when the ball is not licked. Spring fixed, metal spring fixed on the cage, not easy for pets to bite, light and strong. It can be attached to any place, such as walls, woods, cages, etc. Pet Water Feeder, ideal for hamsters, guinea pigs, rabbits, dutch pigs and other small pets. Specification: Material: Plastic + Stainless Steel Capacity: 125ml Not Include Bevel Mouth Length: Approx. 17cm/6.69inch Mouth Bevel: Approx. 4.5cm/1.77inch Bottle Diameter Length: Approx. 4.5cm / 1.77inch Capacity: 250ml Not include bevel mouth length: approx. 12cm/4.72inch Mouth Bevel: Approx. Bottle diameter: 7cm / 2.76inch Length: approx. 6.3cm / 2.48inch Capacity: 500ml Not Include Bevel Mouth Length: Approx. 21 cm / 8.27 inch Mouth bevel: approx. Bottle diameter: 7cm / 2.76inch Length: approx. 7cm / 2.76inch Capacity: 750ml Not Include Bevel Mouth Length: Approx. 24.5cm/9.65inch Mouth Bevel: Approx. Bottle diameter: 7cm / 2.76inch Length: approx. 8cm / 3.15inch Color: as picture shown Package includes: 1 bottle of small pet 1 piece of spring Note: Since the above size is measured by hand, the size of the actual item might be slightly different from the the size above. Due to lighting effects, monitor settings etc. There could be a slight difference in the color tone of the pictures and the actual item.