Koln 590 ml copper vacuum insulated sport bottle. Double-wall stainless steel vacuum construction with copper insulation, which allows beverages to stay cold for 48 hours or hot for at least 12 hours. The construction also prevents condensation on the outside of the bottle. Features a screw-on top and stainless steel lid with a comfortable silicone handling loop. Dual opening construction for easy cleaning and filling. Volume capacity is 590ml. Presented in an Avenue gift box. Stainless steel.