1. Soft lid and durable material Thermos with plush sleeve. Skin contact is safer and more comfortable, preventing skin burns from direct contact with rubber thermos. It looks more elegant and personalized. The hot water bottle is made of high-quality rubber material, which is resistant to oil and pollution. Long service life and not easy to damage. It will accompany you and your family on cold winter days and nights 2. Keep warm and relieve pain The hot water bottle provides pleasant long-lasting heat to the neck, shoulders, back and abdomen. Hyperthermia is widely used for its remarkable effects. Especially good for tension or menstrual cramps, relieve fatigue and body pain, speed up blood circulation, relieve stress, treat muscle soreness, medical use, warm feet, arthritis, rheumatism, aches and pains, stiff neck, low back pain or other common 3. Safe, environmentally friendly and leak-proof The hot water bottle has reliable safety and leak-proof performance. Thermos and lids are eco-friendly. Thermos should be replaced after two years of use. And regularly inspect the cover for wear and tear damage. Never fill up with boiling water and turn it upside down to check for leaks 4. Must-Have Warming Tool for Winter Premium Classic Rubber Bed Thermos provides comfortable fabric, soft touch and warm heat. It is an indispensable winter warmth tool for you and your family. The high-quality materials and elegant design are also the perfect gift for family, friends and colleagues. Wide mouth design, simple and practical. Make warmth within your reach. Suitable for feet, neck, shoulders, abdomen and back to warm, relieve fatigue and relax 5.2 liter large capacity The extra heated bottle provides warmth for the whole body. A thermos measuring 72 cm x 12 cm has a capacity of 2 liters. Heat packs can be used in a variety of ways.