Insulated Water Bottle - This bottle is elegant and real eye-catcher with its high quality real-bamboo casing and build quality of Insulated Stainless Steel. Hot n Cold Water Bottle - Water, Coffee and tea can be kept hot/cold for 4-8 hours. Made of BPA Free food grade material with excellent thermal insulation. Bottle/Thermos with Tea Strainer | Double Wall Vacuum Insulated | Hot & Cold (450 ml). it's a new product, never used.