Description: 【Automatic Water Feeder】: Designed stainless steel rolling beads, automatic water supply, and pet mouth licking will be the top of the ball bearing so that the water flows out. 【Premium and Reliable】: Drinking water bottle is made of high quality ABS and stainless steel material, which is sturdy, durable, and not easy to overflow when drinking water. 【Easy Installation】: Feature hole and detachable buckle, easily assemble and disassemble. 【Usage】: The water feeder is suitable for small animals, hamsters, rabbits, squirrels, ferrets, bunny, hedgehogs, and cats. 【Suitable for Outdoor Indoor】: A pet water bottle is perfect for outdoor activities and travel, make sure pets have plenty of water. Specification: Material: ABS, Stainless Steel Size Chart: 60ml: Total Height 9.5cm/3.74inch, Diameter 3cm/1.18inch, Bottle Height 5.5cm/2.17inch, Nozzle Diameter 0.6cm/0.24inch 80ml: Total Height 13cm/5.12inch, Diameter 4cm/1.57inch, Bottle Height 9cm/3.54inch, Nozzle Diameter 0.8cm/0.31inch 125ml: Total Height 18cm/7.09inch, Diameter 4cm/1.57inch, Bottle Height 12cm/4.72inch, Nozzle Diameter 0.8cm/0.31inch 250ml: Total Height 21cm/8.27inch, Diameter 5cm/1.97inch, Bottle Height 16cm/6.30inch, Nozzle Diameter 0.8cm/0.31inch Package Includes: 1 Hamster Cage Drinking Water Bottle(6 Pack) Note: Please allow slightly errors due to manual measurement and different monitors.