Starts cold. Stays cold. The 20oz Icon™ Series Stainless Steel Water Bottle with Flip Straw keeps drinks cold for up to 20 hours with Thermos™ vacuum insulation technology. Featuring durable 18/8 stainless steel construction, a convenient flip straw lid, wide mouth opening, and comfortable carry handle, it's built for easy hydration wherever the day takes you. Dishwasher safe and designed for cold beverages only. Specifications: 20oz capacity | Double-wall vacuum insulated | BPA-free stainless steel | Keeps drinks cold 20 hours | Flip Straw Lid with Pivot Straw | Sweat-proof exterior | Griptec™ non-slip base | Dishwasher safe (top rack recommended)