Time Marker: The Time Marker On The Bottle Is A Helpful Feature As It Reminds You To Drink Water Consistently Throughout The Day. It Can Help You Pace Yourself And Ensure You'Re Meeting Your Hydration Goals.

Material: Consider The Material Of The Bottle. Silicone Is A Good Choice For The Sleeve As It Provides A Comfortable Grip And Helps Protect The Bottle From Scratches And Dings. Ensure That The Bottle Itself Is Made From Safe And Bpa-Free Materials.

Leak-Proof Design: Look For A Bottle With A Secure, Leak-Proof Design To Prevent Any Spills, Especially If You Plan To Carry It Around With You During The Day.

Ease Of Cleaning: Check If The Bottle Is Easy To Clean. Removable Parts Or Wide Openings Can Make Cleaning More Convenient.