⇆【Reusable and Fashionable】: Made of high-quality AS, PP, and silicone, Flat Bottle helps to change the public's understanding of reusable water bottles, durable and safe to use. ⇆【Easily Carry】: Has 420ml and 350ml capacity that is fully meeting your needs, Notebook Bottle is really convenient to carry, as large as A5 or paper. ⇆【Novel Flat Design】: Flat Water Bottle for Purse is light, thin, and strong, very suitable for you, your family, and your friends, designed with a square shape that is like a book. ⇆【Wide Application AScope】: Easy to put into the schoolbag, backpack, briefcase, , etc, Flat Water Bottle is suitable for indoor and outdoor use, ideal for mountaineering, parties, and schools. ⇆【Great for Gift Giving】: Making you drink well and enjoy a healthy life, Purse Water Bottle is a great gift for family, friends, lovers, etc, ideal for today's busy but healthy lifestyle.