Plastic

ThermOZONE(TM) Insulation doesn't contain CFCs, HFCs or HCFCs, which deplete the ozone

Wide-mouth top and twist-on cap for easy filling

Flip-top spout for a quick drink

Stain- and odor-resistant liner helps prevent lingering smells

Durable design resists dents, scratches and fading

Large bail handle makes carrying easier