Leakproof: The lid is made from stainless steel,sealing well and it is leakproof. Easy to use: Screw top lid with small mouth opening makes it easy to open and drink, so you can avoid messy spills. Features: Water bottle with time marker: The water bottle with time marker, the convenient time marker reminds you to drink your recommended water intake throughout the day. With this water bottle, you can follow the simple markers alongside the bottle that help you track where your hydration levels should be throughout the day. Stay hydrated: Times reminds and help you to stay hydrated throughout the day.