Stay refreshed on the go with the Hydro Flask Standard Mouth 21 oz Bottle with Flex Cap. Designed for performance and style, this bottle features TempShield® double-wall vacuum insulation to keep beverages cold for up to 24 hours or hot for up to 12. The leakproof Flex Cap and Honeycomb™ Insulated Cap ensure maximum temperature retention, while the pro-grade stainless steel construction offers lasting durability and pure taste with no flavor transfer. Finished with a vibrant, sweat-free Color Last™ powder coat, this BPA-free bottle is perfect for everyday hydration. Customize it with your logo or design for standout branded gear.