[See images] To prevent water leaks, please 1) Check the spring inside the nozzle to make sure it was in the correct position before use 2) Please fill the dog’s water bottle as full as possible to let the air out and the ball refroze in the nozzle 3) Please screw the nozzle to check whether the residue comes inside and let the air in to leak water 4) Clean and check the nozzle at regular intervals of your leaking water bottles, please contact us with photos or videos for refund or replacement This pet water bottle works for small animals like rabbit, puppies, etc. Recommends hanging the bottle outside the cage so animals can’t bite it Capacity (ML): 350 (12oz). Package includes: Rabbit Botting Bottle X 1 (other accessories are not included)