Premium Material The product is made of premium Material Compared to the traditional rubber hot water bottles this one is more durable with a comfortable soft cloth cover and longer lasting insulation Stay warm all nightAs long as you keep this insulated it will stay warm all night long Safe Easy to Use Hot water bottles have passed 24 hours of explosionproof and leakproof test before leaving factory Please fill 34 of 80 degrees of water into it Hot and cold therapiesHot water bottle with cover can be used as hot or cold compress for relieving muscle aches and pains relieving menstrual cramps neck shoulder knee numbness drive out the cold in winter to keep warm and cool down in summer with cold compresses sports injuries etc AfterSales Guarantee You can return the undamaged hot water bottle and its packaging for 30 days without reason We offer a oneyear warranty Feel free to contact us by email at any time