This multipurpose 15 oz water bottle is a `must` for all levels of activity! The bottle has a screw-on, spill-resistant lid with a wide mouth opening and a carbineer clip for attachment. There is a slide-out phone holder which will accommodate a variety of phone sizes for easy viewing and there is a reusable cooling towel in the base! The red towel is super absorbent and quick drying and measures 30` L x 8` W. Bottle meets FDA requirements, is BPA free and hand wash is recommended.