Wide Mouth Design: The wide mouth of this cute cartoon hot water bottle makes it easy to fill, ensuring a hassle-free experience. Function: Keep your hands and abdomen warm in cold weather. Relieve pressure and promote blood circulation. It can also be used as a pillow. Whether you are lying on the sofa or sleeping, it can give you the warmest feeling at any time. Long-term maintenance: This is a water-filled warming bag. Material: The cute plush doll is made of PP cotton. Non-toxic material. The plush cover is washable. Special gift: It can not only be used as a hand warmer, but also can be used to relieve menstrual pain/relax muscles. It can be an impressive gift for parents/children/lovers/friends