IRIS brand regular hand warmers, with a duration of 16 hours and a size of 12.5cm x 9.5cm, are perfect for cold weather対策. - Brand: IRIS - Model Name: Hand Warmer Regular - Duration: 16 hours - Size: 12.5cm x 9.5cm Set of 20 Expiration date: 2026.6 Stored at home in a cool, dark place. The bag will be opened, enclosed, packaged, and mailed via post. Please understand the shipping method and expiration date before purchasing.