The Bullet Bluff 400ML has a versatile two-in-one design that doubles as both a tumbler and a drink insulator. It features double-wall construction with copper vacuum insulation to keep your beverages hot for up to 5 hours or cold for up to 15 hours. This item comes with a clear, screw-on, spill-proof lid that has a secure flap-seal closure. Colours include black and white, plus also 350ML available.
