Flammi Pet Water Bottle Hanging No Drip Chew Proof 450ml/15oz for Puppy Cat Rabbit Small Animals, Automatically Feeding Water (Green) Bottle body: PP plastic; Top and bottom: plastic; Ball-point tube: stainless steel. It's healthy & harmless for your pets. Leak proof, [Important] Please see product description to learn how to prevent leaking Add water by twisting off the bottom lid with nozzle tube, A sealing ring in the lid. BOTTLE MOUTH about 0.9" IN DIAMETER; BOTTLE SIZE - about 6.5" (Height) x 2.7" (Diameter) x 2.8" (Tube length) Nozzle is designed with ball-point tube built-in spring, which allows pets drink water conveniently by themselves. TUBE DIAMETER about 0.4"; TUBE LENGTH (metal part): about 1.4" Our pet water drinking dispenser has 2 top clips/hooks for hanging on a cage. And you can change its direction by turning the top lid 360. EACH CLIP: about 0.6" long x 0.4" wide x 5mm spacing; Spacing of the 2 clips/hooks: about 1.18" Automatically feed water, it fits for puppy, Small-sized dog, cat, Grown rabbit, Other Grown critter like Guinea Pig, chinchilla, ferret, etc. Effectively avoid the insect dust pollution of drinking water. If you have any problem on your item, Please Contact us, we will solve all of your worries