This is a 1L hot water bottle recommended for staying warm during the cold season. It features a gentle pink color and a cable knit-style cover, making it cute and heartwarming every time you use it. Simply pour in hot water for long-lasting warmth without using electricity, making it ideal for saving energy. It can be used with peace of mind by those who dislike air conditioners or electric blankets, and by families with small children. It effectively warms cold areas such as your feet, stomach, and waist, making it useful for sleeping, relaxing, or during desk work. The knit cover prevents it from getting too hot to the touch and provides a soft feel against the skin. [Size] Approximately 27 x 16 cm