The 19oz Stainless Steel Straw Bottle features a hygienic push button lid with an easy-to-open pop-up silicone straw. Its double wall vacuum insulation technology ensures maximum temperature retention, so you can be sure that every sip you take is at the right temperature for maximum enjoyment. It's effective at keeping cold beverages at 10°C or below for up to 6 hours. The exterior of the FHL-551 will remain condensation-free even when holding cold drinks. This product can keep liquids hot or cold. However, it is not recommended to hold hot water in straw bottles as users may not be aware of the temperature when sipping through the straw and accidentally scald himself/herself. **This product is finished with glossy coating <a href="https://thermos.com.sg/product/stainless-steel-straw-bottle/" target="_blank">https://thermos.com.sg/product/stainless-steel-straw-bottle/</a>