US Patent 10039422 Shaker bottle with plastic liner

A powdered drink shaker bottle is provided with a rigid, disposable liner to minimize clean up and eliminate residual odors. The liner is shaped to fit inside the cup of the bottle, and includes a plurality of projections to facilitate mixing of a powdered drink in the bottle. The projections eliminate the need for a separate, removable mixing device, such as a ball or grate. An optional cap liner may also be provided.