SALEWA BOTTLE RIENZA THERMO is a tough 1,0L stainless steel thermos bottle. Built for tough mountain adventures and active lifestyles, the Rienza Thermo Stainless Steel Bottle has a durable double-wall stainless steel vacuum construction with a twist and pour cap and double-wall stainless steel cup. Its insulation technology is designed to keep your drinks hot for up to 24 hours and cold for up to 30 hours. We named it after the mighty River Rienza, whose source lies at 2,180 metres, high up in the Dolomites. No more plastic, no more aluminium, just 100% durable, reusable and recyclable stainless steel.