Durable & Safety My Gift Direct hot water bottle are made of PVC to ensure maximum safety and thus transfers the heat perfectly, keeps the water warm for a longer time. To be more safe, the temperature of the hot water should not exceed 80 degrees Celsius. Wide Bottle Nozzle - Comes with an anti-squirt stopper, safety and easily let water in and out, prevent water spitting back out. Our hot water bottle maximum capacity 900ml, suggested to fill to two-third Comfortable Plush Waist Cover comes in 3 variations; black cat, brown bear and grey bunny - A plush waist cover belt, designed with super soft double for heat remedies whilst preventing heat from contacting your skin directly, which can cause burns. Also allows wearer to move around without having to hold it. Multi-functional Usage - Our hot water bottle bag works great for pain relieving, arthritis, sports injuries, menstrual cramps, period pains and general aches and pains. Hot therapy helps to relax your tired muscles and tensed shoulders from stress and too much workout. They can also be used for cold therapy, easy fill in cold water or crushed ice Great Gifts The hot water bottle comes in two colours. Pink and purple and are selected at random. Hot water packs provide pleasant, long-lasting heat to the neck, shoulders, back and abdomen. Soft, warm gifts for children, adults and parents during cold winter days and nights