No Leak & Safety Hot water bottle is made of high quality rubber which is anti-aging, durable and well sealing, longer service life than conventional rubber bottles. Ensure maximum safety and transfer the heat perfectly.A screw cap great helps to prevent leakage from the bottle. Safe and easy to fill and use. Large Capacity & Long Warm TimeThe basic function of the hot water bottle is to keep warm. Hot water bags are made of thick rubber with a large capacity, which helps to maintain the temperature of the liquid longer. The hot water bottle with the dimensions 28 cm x 17 cm has a capacity of 1 liters. And the dimensions 32 cm x 20 cm has a capacity of 2 liters.Suggested to fill to two-third.comes with an anti-squirt stopper, safety and easily let water in and out, prevent water spitting back out. Excellent Thermotherapy The hot water bottle can be used alone as a remedy for body pain, sports injuries, muscle pain, menstrual cramps and tension, effective in relieving arthritis pain. In addition to traditional hot therapy, it can also be used as a cold compress for febrile children or to reduce swelling in minor injuries. Comfortable Plush Cover Comes with a super soft plush cover that has a double insert to keep your hands warm at the same time. And prevent heat from touching your skin directly, which can help you far away from burn. Perfect GiftIdeal gift for birthdays, Christmas or other festivities.Also a great gift for elders.Use all year round, as this handy water bottle may be filled with cold water to keep you cool on a hot day!