When you're body aches or you're feeling sore, the comfort of a warm heated bag can sometimes help you feel better. The water bottle is filled with hot water and sealed with a stopper, then placed against a specific part of the body to provide soothing warmth. Made of sturdy rubber with hard plastic, secure opening, and closing. Comes in pink and blue. Measures approximately 10.2" x 14.5" x 11.4" and can hold approximately 2 liters of water.,