Multifunctional Hot Water Bottle: The hot water bottles are made of high quality and recyclable PVC, which helps to maintain heat longer than traditional silicone hot water bottle, also works as an ice pack or cold water bottle.< /p> Easy to use: The wide mouth is easy to fill and the anti-splash rim of the hot water bottle with lid prevents water from spilling like old rubbers. Fill only two-thirds of maximum capacity. The hot water bottle is manufactured to BS1970:2012 to ensure maximum safety. Helpful Helper: The classic design of this classic hot water bottle. Treatment for sore muscles, stress or cramps, arthritis, aches and pains, stiff neck, lower back pain, menstrual cramps and other common ailments, and can also be used as a compress cold for children with fever or to reduce swelling for minor injuries. Note: 1&gt; This is a 2L large hot water bottle, but please only fill it two-thirds full with 80C water. -2&gt; After filling with water, squeeze excess air from the bag and tighten the lid. -3&gt; Please turn the hot water bottle upside down and check that the lid is tight. -4&gt; Do not puncture the hot water bottle with strong pressure and sharp instruments. --5&gt; Do not put in the microwave, avoid direct sunlight and grease. Safe and durable: the hot water bottle has a thicker design and is waterproof and sealed, which makes it safer for us . The hot water bottle comes with a lid, and the knitted lid is lovely and soft and looks great, avoiding direct contact and burning your skin.