IDEAL TEMPERATURE ALWAYS With this sleek bottle's double-wall insulation, you can take icy-cold water or steamy-hot coffee anywhere. Stainless steel means it will last a lifetime. Double-wall vacuum-insulated to keep beverages hot or cold 18/8 stainless steel construction for a lifetime of reliable use Holds cold for 18 hours and hot for 6 hours BPA-free Carabiner attachment point on drink-through lid Powder-coated, no-sweat exterior Made with stainless teel, polypropylene, silicone Imported color black