These are high-temperature, long-lasting disposable hand warmers. ① Non-adhesive hand warmers - Product Name: Super Hot Hand Warmer! Magma Disposable Hand Warmer - Quantity: 10 pieces - Temperature: Average 61°C - Duration: Approximately 12 hours - Expiration Date: April 2026 ② Adhesive hand warmers - Product Name: Hot Hand Warmer! Adhesive Magma - Quantity: 10 pieces - Temperature: Average 54°C - Duration: Approximately 8 hours - Expiration Date: April 2027 To reduce shipping costs, we will open the outer packaging and repackage the items. Also, depending on the packaging situation, we may change the shipping method to Yu-Yu Mercari Delivery. Thank you for your understanding. Hot Hand Warmer Hand Warmer Adhesive Magma Pocket Warm Warm Kiribai Chemical Kiribai Hand Warmer Kobayashi Pharmaceutical Thank you for viewing.