21180 Mini Hot Water Bottle Bag/Hand Warmer, Light and Handy, Small Heat Up and Refreezable Cold Pack, Korea Style Cute Therapy Heating Pad Warming Pain Relief, Random Pattern

There's nothing like an fashioned hot water bottle to keep you warm at night. It provides soothing comfort with no cords attached
2. Made from high quality soft PVC. the flexible bottle conforms to your body; Perfect size for kids, also suitable for adult (Size: 6.3'' x 4.1'')
3. Soothe aches and pains by filling the bottle with warm or cold water and placing on the affected area for 10 to 15 minutes per hour
4. Safe, explosion-proof, portable and reusable, so lovely. You can put two hands in it, keeping warm for a very long time
5. Capacity: 100ml(3.3oz). Small capacity, easy to carry, easy to hold. Good thermal effect and can be used repeatedly