Hokairo New Nuknuku Touban Non-stick Mini 10 pieces x 6 bags Expiration date: April 2026 Warm and cozy anytime during winter commutes to school or work. This is a non-stick type disposable warmer containing coconut shell activated carbon. Maintains a stable and appropriate temperature. Duration (time maintaining 40°C or higher): Mini: Approximately 12 hours New and unopened Instant purchase welcome. Will be shipped in simple packaging. *Shipped via post