Material BPA and made of quality PET, this bottle is soft and transparent. It is suitable for room temperature water or cold water below 40 degrees. Do not put it in hot water to avoid deformation. Odorless, nontoxic, reusable, durable, safe, and hygienic. Capacity and Design Dumbbellshaped bottle with a 2.2L capacity supports a recommended daily water intake of 2.2L. Sufficient hydration helps you stay hydrated before and after workouts, supports hydration for outdoor sports, hiking, and camping, and serves as a reliable water source for everyday home, office, and outdoor living. Portable Design and Lid Security Easytocarry handle and a flipcap design with a lid that stays attached when opened, so you won't lose the lid during use. Built to be sturdy and durable enough to hold added water for drinking on the go. Practical Uses Suitable for almost any setting: gym, pre and postworkout, bodybuilding, weight loss, camping, travel, exercise, and all outdoor sports, as well as home and office. Can also be used as fitness dumbbells with adjustable weight. Use scenarios In the gym or at the gym entrance to maintain hydration during workouts. On outdoor adventures such as hiking or camping to ensure ample water supply. At home or in the office to support consistent daily water intake throughout the day.