Hot Water Bottle Hot Water Bag Warm Water Bottle Neck Hot Water Bottle U Shaped Hot Water Bottle 1L Hot Water Bottle U Shaped Hot Water Bag For Winter Neck Shoulder Warm With Soft

U Shaped: The wide mouth of hot water bag is easy to fill with water and the splashproof lip prevents water from splashing. The hot water bag's premium materials and superb craftsmanship give it more durable insulation.The U shaped design helps you easily shape the bag where you need it most. Perfect for keeping warm on cold nights