Made of durable rubber which gives it long life-span. A tight seal prevents water from leaking. A tight seal ensures tightness if the thermoforming is used according to the manufacturer's recommendations (max. 60°C). Cozy and fluffy material of the cover, washable, provides an accurate level of warmth. The hot water bottle for feet, thanks to is high capacity of 1.8L, provides long-lasting comfort. A colourful pattern on the cover with an inscription makes it more than a regular daily use item - it becomes an interior decoration element. Owing to its warming properties the long hot water bottle helps with pains and aches of muscles, spine, ears, teeth, stomach, and it helps stimulate the circulatory function. Hot Water Bag capacity 1.8L in a soft fleece cover - perfect for cold days and nights. An evening with a book or film can only get better.