Stansport 12 Gauge Shotshell Thermos Bottle- Keeps drinks hot or cold for up to 24 hours with a 25 oz/3 cup capacity. Double wall 18-8 stainless steel insulated construction. Wide base cup is tip-over proof. 25 fl oz/ 3-cup capacity Double wall 18-8 stainless steel constructionKeeps drinks hot or cold for up to 24 hours Insulated Cap One touch stopper Wide base cup is tip-over proof BPA Free