|Triple Cool™ Technology: apable of keeping your drinks cold for up to 36 hours and hot for 18 hours. Its super-rubber finishing adds durability and style, while the airtight, leak-proof cap ensures your drink stays secure.Crafted from 18/8 food grade stainless steel, this bottle is completely free of BPA, phthalates, and toxins. Suitable for acidic and carbonated drinks. Does not retain or emit any taste or smell and it’s also condensation-free. It allows to overcome security controls in airports. Hand wash only.