A fluffy fabric hot water bottle that maintains warmth for up to 12 hours. - Color: Beige 【Super-fast charging in 7 minutes, keeps warm for up to 12 hours】This cordless, rechargeable hot water bottle can be used anywhere! With a 7-minute charge, it provides warmth for about 10-12 hours in a futon, and about 4-8 hours when applied to the abdomen or lower back. It provides gentle warmth and is recommended for cold対策 and spot heating. 【Warm and Soft】It comes with a dedicated cover with pockets to warm both hands. It provides just the right amount of warmth when placed on the abdomen or knees, and the body itself is not too heavy. Of course, the cover is washable. 【6-layer structure, safe】This hot water bottle has a safe 6-layer structure, separating water and electricity. It uses non-corrosive water and is equipped with an auto-off function that automatically turns off the power when charging is complete. 【Eco-friendly hot water bottle, energy-saving】The hot water bottle can be reheated many times, making it eco-friendly and long-lasting. The electricity cost is about 2 yen per charge. 【Cold対策, Recommended for those who...】Those who are concerned about cold hands and feet, worried about a cold abdomen, concerned about dryness from heating, find it troublesome to change hot water, are thinking about saving electricity, and want to warm their cold bodies anytime, anywhere! A strong ally for those who feel the cold.