Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
Folding water bottle can save space trash. And folded shape will make people want to press down.Ordinary water bottles thrown away, it will waste a lot of free space.Water bottles after folding volume will gradually become smaller, so throw it in the trash will not take up too much space.
Chuchu Zhang ,