Specializeds best selling bottle is conveniently shaped and absolutely leak proof once you stop admiring the hargroves cycles logo on the bottle you can consider drinking out of it ice cube friendly tight sealing big mouth screw top is wide enough for ice cubes and powder drink mix large soft poppet top is easy to activate delivers excellent flow and seals tight easy to grab flexible and durable bpa free plastic made from 100 fda food grade materials and printed with non solvent base