Best Choice for Gifts. The hot water bag for pain relief, a great gift choice for daughter, wife, fiancee, girlfriend, lover, close friend in Christmas, New Year's Day, Valentines, Birthday, housewarming, engagement, bridal shower, wedding, anniversary, Thanksgiving Day, Mother's Day or any other special day. Please feel free to contact us if you have any questions or need help, we will be very happy to provide you with a satisfactory solution. 1L Large Hot Water Bottles. The size of the hot water bottle with cover is 10.0inches*6.0inches and capacity is 1 liter, it is recommended to fill the hot water bag max to two-thirds,about 700ml. Wide mouth design makes the hot water bottle very easy to be filled and poured out water.The warm water bottle features with anti-blowout plug design and passed air pressure and swing test, you don't need to worry about leakage, please pay attention to tightening the nut. Come with Plush Cover,Magic Velcro. Hot water bottle comes with a soft cover and a plush waist belt(44 inches long), prevent the heat from contacting the skin directly. Wearable hot water bottle pouch with plush waist cover keeps you warm while free your hands, it’s perfect for using in working ,studying and etc. Magic velcro can be adjusted according to your waist size, wrapping around various parts. Especially on cold winter days, the hot water bottle provides well-being and comfort. Hot and Cold Compresses. The basic function of multi-functional hot water bag is to keep warm,which can relieve aching muscles and joints, arthritis, sports injuries, muscle sore and especially menstrual pain. Also be used to relieve back, neck, shoulders, tummy, belly, neck, waist, hand ,legs, feet. This wearable hot water bottle belt can also used as a cold compress(by adding cold water or crushed ice ) for children with fever or to reduce swelling for minor injuries. Premium Durable Hot Water Bottle. Our hot water bottle with cover is made of high quality natural rubber, which is Non-toxic & tasteless and will transfer heat perfectly also keep water warm for longer, which can hold the heat longer than traditional silicone hot water bottle. For your better safety, please do not inject hot water exceeding 80 degrees celsius.