OASIS # 80510 Frosted Hamster All Weather Water Bottle, 8 oz. All Weather Water Bottle Has Translucent Frosted Look With Good Resistance To Damaging Ultra-Violet Light And Temperature Extremes Made Of Heavy Duty Polyethylene Material Features stainless steel vacuum-valve drinking tube, 2 heavy stainless steel balls in ball-point tip and rubber gasket Suitable For Hamsters, Indoors And Outdoors Use Durable Bottle With Silkscreen Design And Colorful Angled Cap; This Product Weighs 8-Ounce