- Stay warm and soothe aches with our advanced thermoplastic hot water bottle, designed to retain heat longer than traditional bottles. It also doubles as an ice pack or a cold water bottle for versatile use. - Note that this hot water bottle cannot be microwaved. Fill it with hot water only up to two-thirds of its capacity. After deflating, securely tighten the lid to prevent burns. - Its classic design makes it perfect for relief from muscle soreness, stress, menstrual cramps, arthritis, and lower back pain. Additionally, it serves as an effective cold compress for fevers and to reduce swelling from minor injuries. - The elegant lid prevents direct contact with hot rubber, minimizing the risk of burns while adding a chic, personalized touch. Remember to replace the rubber bottle every two years and regularly check the lid for wear. - Ideal for home use, in the office, or while traveling, this double-function bottle will be your go-to solution for comfort and care, ensuring you're prepared for any discomfort that comes your way.