Stay properly hydrated and have the receipts to prove it with this water bottle that tracks your liquid intake. The Hydro bottle is made of single-wall stainless steel with a spill resistant screw-on lid. The water drop icon on the top of the lid keeps track of how many times the bottle is filled -- just twist to add a number to the counter. Available in assorted colors. Add your school, sports team, organizational or company logo or message to customize.