BlueDot Trading 24 Pair (48 Warmers) Hand Warmers Expiration 9/2021 Air Activated 10 Hours of Heat for Camping, Winter Sports, Emergency Survival Kits Each Package contains 2 individually wrapped Hand Warmers Allow up to 20 minutes for warmers to heat up fully Air Activated and Safe to Use Expiration: September, 2021 ~ Printed on packages Provides up to 10+ Hours of Instant, Portable Heat