Leakproof: The lid is made of stainless steel, seal well and tightly. Easy to use: Screwed top lid with small mouth opening makes it easy to open and drink, so you can avoid messy spills. Water Bottle with Time Marker: The water bottle with time marker, the convenient time marking reminds you to drink your recommended water intake during the day. With this water bottle you can follow the easy markers to the bottle that is suitable to track your liquid levels should be during the day. Features: Keep You Hydrated: are and telling you to keep you hydrated the day.