- Experience long-lasting heat retention with our advanced thermoplastic hot water bottle, designed to outperform traditional bottles. It also serves as an ice pack or cold water bottle, offering versatile comfort in every season. - Important: This hot water bottle is not microwave-safe. Fill it with hot water to a maximum of two-thirds capacity. Always tighten the lid securely after deflating to prevent burns. - The timeless design makes it perfect for alleviating various discomforts, including sore muscles, stress, cramps, arthritis, neck stiffness, and lower back pain. It can also be used as a cold compress to reduce fever or minimize swelling from minor injuries. - Enjoy added safety and style with an elegant lid that prevents direct contact with hot rubber, reducing the risk of burns. The rubber material should be replaced every two years, and it's important to regularly check the cap for wear. - Ideal for home use, travel, or as a thoughtful gift for women, this hot water bottle is your go-to solution for everyday aches and pains. Whether you're relaxing at home or on the go, its compact size and dual functionality make it an essential addition to your wellness routine.