With double walls, to enjoy iced water or a hot drink, for many hours! Made of 304 stainless steel (18/8 stainless steel). It comes with a stainless steel straw & a special brush to easily clean the inside of the straw. Two socket cap that rotates. With FDA & SGS quality certificates. Without aluminum and toxic substances (BPA free). It doesn't break. 100% recyclable. With double walls, to keep your drinks at the temperature you want (hot or cold) for 12-24 hours. Why should I choose a stainless steel thermos? 1) The most important reason to say "yes" to stainless steel water bottles is their healthy material & great durability. Since they don't break if dropped, they can be used for a much longer period of time than regular baulks. 2) Stainless steel is the most hygienic & safe material, as it does not contain Bisphenol & Carcinogenic substances, as is the case with some poor quality plastic or aluminum containers. In addition, stainless steel does not collect bacteria, even if it is scratched. Don't forget that it is the first choice of material for manufacturing hospital accessories & kitchen items. – Not suitable for carbonated drinks. Dimensions cm (Height x Base):  26.5 cm x 14.5 cm Weight:  550grP