Insole Foot Warmers (20 pairs) - Up to 10 Hours of Heat - $29

PRODUCT DETAILS: Brand: Sport Temp Color: White Material: non-woven Unit Count: 20.0 Count Size: 8x3 Inch Item dimensions L x W x H: 4 × 10 x 0.1 inches * CONTAINS: 20 Pairs of Insole Warmers. * SUPER LONG-LASTING HEAT: Up to 10 hours of heat, warming your feet. * TRAVEL FRIENDLY: TSA compliant & USA safety approved. Easy to stow and store in a backpack, luggage, or jacket pocket. * EASILY APPLIED: Tear open outer package, remove warmer, apply adhesive. Warmer heats up in 15-30 minutes. * Keep warmer in oxygen restricted environments such as shoes or boots to maintain heat * Dispose in regular garbage. Ingredients are harmless to the environment * MULTI-USE: Perfect for skiing, snow boarding, fishing, hiking, camping, tailgating at sport events, hunting, or to stay warm in the icy cold winter weather. P.S. I ordered these for a hike, but since the hike was cancelled, I no longer need them.