Carabiner clip attach your bottle to bags bi-cycles and more re-usable and re-cyclable easy slip ï¬ip and sip conveniently ergonomic design light weightt and easy to hold stainless steel higher grade that lasts a lifetime and never rusts! Spill and leak proof no more mess and waste wonderchef products are inspired by italian design and adhere to german quality standards. They are covered by a reliable wonderchef warranty t & c apply