Kordon/Oasis (Novalek) SOA80427 Easy Top Rabbit/Ferret Water Bottle, 12.5-Ounce Rabbit/ferret water bottle offers top-filling ease with traditional ball-point drinking tip Bottle stays on the cage during filling / Colors May Vary Features easy lift-off, press-on cap and wide top opening for easy cleaning Patented mounting bracket screws on for ultra secure fit Available in 12-ounce size; dishwasher safe