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Fressko Onyx Flask – 360ml

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This sleek and stylish, chemical-free, scratch-resistant, powder-coated, insulated stainless steel flask with stainless steel inner, includes Fressko’s unique 2-in-1 Filter, is the perfect companion for creating your favourite fruit-infused cocktail, brewing your special tea blend or simply mixing your coffee; all while you BREW AS YOU GO. This product is lightweight and vacuum-sealed to ensure the contents stay hot (while remaining soft to the touch) for up to 6 hours or chilled for at least 12 hours and has a leak-proof, easy-grip lid and scratch-proof body.


  • 1 x Fressko ONYX 360ml / 12oz Flask
  • 1 x Fressko 2-in-1 “Infuse” Filter


  • Flask Dimensions: 6.5cm (W) x 24.5cm (H) Weight: 515g
  • Flask Opening: 5.5cm

CAUTION: Use boiling water responsibly.

WARNING: Although our flasks are made of the strongest glass, beware that glass can break and you should always handle with care.

CAUTION: Use boiling water responsibly.