U-Flask Vacuum Bottle
Unique double walled vacuum insulation technology with vacuum-seal cap. Keeps your drinks cold up to 24 hours and hot up to 12 hours. Bottle capacity 500ml 16.9 oz. Specially designed cap to prevent spills, wide drip-free mouth opening for ice cube insertion. Lightweight design. Perfect for fitness packs, bikes and backpacks to enjoy your long walks, hiking or any other indoor or outdoor activities. The Flask can be engraved with your logo.