Atlasware ‎Echo Pexpo Echo Pro ISI Certified |2000ml Knight Black Water Bottle for Office| Vacuum Insulated Flask with Handle|24 Hrs Hot & Cold

ISI certified bottles: Pexpo water bottles are large steel bottles which undergo testing for durability, corrosion resistance, quality control, & material composition. This ensures that only the highest quality products reach your home 24Hrs Hot & Cold: This can keep hot beverages steaming for up to 24 hours, cold drinks refreshingly chilled all day, and ensure the perfect sip with its narrow mouth design and superior temperature retention Tri-Ply Vacuum Technology (TPVT): Flasks feature a thicker aluminum sheet sandwiched between two steel layers, ensuring superior temperature control compared to just a thin copper coat High Quality 304 Steel: Flask is easy to clean and resistant to bacteria growth, keeping your beverages safe. Its smooth, shiny surface is highly durable, ensuring it stays crack-free over time.