About this Air - Activated Hand Warmers:
- Safe, natural heat.
- Lasts up to 10 hours!
- No odor.
- Average temperature ranges from 126 degrees F-144 degrees F.
NOTE: Product comes with Prop 65 warning label. Label reads: "WARNING: This product may contain carcinogen, which is known to the State of California to cause Cancer and Reproductive Harm. For more information, go to www.P65Warnings.ca.gov.