Size (per piece) ・Length: Approximately 30cm ・Width: Approximately 20cm ※Both pieces are the same size. ※Not sold individually / Only sold as a set of 2 ※Instant purchase OK ※Rakuraku Mercari delivery (anonymous delivery) Hot water bottle with cover, set of 2 Energy-saving, for cold sensitivity, eco-friendly heating, and cold protection ■Product Features ・Gentle on the skin with a cover ・Economical as it can be used repeatedly ・Can be used anywhere without electricity ・Also for energy-saving and disaster prevention Great for the coming cold season It warms up well just by pouring hot water, without using electricity, making it a popular item every year as an energy-saving, eco-friendly heating solution. ■How to use 1. Pour hot water at about 80-85℃ up to about 2/3 of the capacity 2. Remove excess air 3. Close the cap tightly 4. Turn it upside down to check for water leaks ※Do not heat in the microwave ※If small children are using it, be sure to have an adult supervise ■For cold対策 when sleeping ・Cold futon ・Can't sleep because of cold feet and lower back ・For those who want to warm up naturally without using air conditioning ■For cold sensitivity and peripheral cold sensitivity ・Want to warm up feet, abdomen, and lower back at specific points ・Also recommended for the changing seasons and air conditioning対策 ■During work from home/telework ・Cold feet during desk work ・Comfortable when used with a blanket ■During relaxation time in the living room/on the sofa ・Watching TV ・Reading ・As a companion for smartphone time ■For electricity bill savings/energy-saving measures ・Energy-saving without using electric blankets or heaters ・Also attracting attention as a measure against rising prices and electricity bills ■For camping, car camping, and disaster preparedness ・Convenient for outdoor activities and emergencies as no power is required. For winter camping, power outage対策, etc. ■About the condition ※Please check the condition in the photos ※Unused, but stored at home, so please purchase only if you understand ※If you are looking for a perfect product or are concerned about minor details, please refrain from purchasing We strive for a pleasant transaction. Thank you.