Water Bottles for small animals are made with , free plastic & a stainless steel sip spout. This 10.14 oz. water bottle is ideal for a Guinea Pig or pet Rat. Each Water Bottle fit ALL Hamster Cages, Guinea Habitat Guinea Pig Cages, Ferret Nation Series, Critter Nation Series, Wabbitat Cages & Small Animal Playpens. Please scroll below for product links to our array of quality pet cages! Each water bottle attaches to the cage with a user-friendly plastic screw & also come with suction cups in case you want to use them with a glass aquarium habitat. They are easy to refill with their simple lift-top cap. riday. Color: As shown Material: Acrylic Package Contents: A magnetic acrylic kettle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.