The Salewa Valsura Insulated 450 ml thermal bottle in zephyr/secret poem of nature allows for convenient transport of both hot and cold beverages during any outdoor activity. Its stainless steel construction ensures durability and high resistance to external factors while maintaining user safety with BPA-free materials. Thermal Properties and Insulation The Salewa Valsura Insulated model keeps beverages hot for up to 12 hours and cold for 24 hours thanks to its effective thermal insulation technology. The thermal properties of the bottle have been optimised to guarantee comfort of use both on the trail and in everyday situations. Drinks retain their natural taste regardless of the prevailing conditions, which is confirmed by the declared insulation parameters. Safe and Eco-friendly Materials The bottle is made from stainless steel, ensuring resistance to mechanical damage and easy cleaning. It is constructed from BPA-free materials, fully recyclable, emphasising the product's eco-frien