Stay hydrated with the Smily expandable silicone water bottle Violet . This multipurpose water bottle can be folded/compressed up to 1/4th of its original size. Made of high quality silicone material this bottle is durable and lasts long. The flexible material makes it easy for the user to expand/collapse the water bottle as per the requirement. It comes with a sturdy carabiner to attach to a backpack, bicycle, etc. The wide-mouth opening of the bottle makes it easy to fill in the water and also to clean it when required. Available in multiple colors. Best pick for students, kids, outdoor activities, workouts, work, etc.