Safe transport in bag or backpack, no leakage - neither upside down nor in horizontal position, leak-proof even with carbonated drinks. Up to 10 hours hot (at 1.0 L) and up to 72 hours cold (at 1.0 L). Vacuum insulated, copper coated&#10double wall construction. Made from 90% post-consumer recycled stainless steel. Thanks to the use of 90% PCR stainless steel material, the carbon footprint of Shield Therm ONE bottles is reduced by 23% compared to the use of similar products with primary material. After just the 16th use of the PCR stainless steel bottle*, its carbon footprint is less than that of a PET bottle. All materials are BPA-free, the cap protects the mouthpiece from dirt and dust. Perfect alternative to disposable bottles, use and reuse for many years and recyclable (stainless steel).