The Helix Kit is a cup-to-bottle system that lets you twist your favourite KeepCup into a classic bottleCup Capacity: 454ml, Bottle?Capacity: 660mlCrafted to provide a more comfortable and lasting way to taste good coffeeDouble-layer vacuum stainless steel bottle body, which keeps the temperature of the drink and is not hotMade of high-quality 18/8 stainless steel made in KoreaNo iron taste, does not change the original taste of the drinkDelicate and radian, convenient for baristas to make latte, etc.Meet professional barista standardsFully sealed twist-fit sipper lid?leak proofAll parts can be disassembled for deep cleaningSafe and non-toxic, does not release toxic substances such as bisphenol A (BPA free), bisphenol S (BPS free)Tight cover, upgrade of anti-spill functionMovable clasps cover drinking holes for hygieneOne year limited warrantyMade and design in AustraliaPlastic cap, plug, lid & gaskets are made in AustraliaStainless Steel cap, body, Extension, a