About this item

• Activate easily by removing from packaging and exposing to air for 2-5 minutes before inserting in footwear.
• Includes 4 pairs of foot warmers (2 per resealable package); each warmer measures 3.4 x 9.8 inches; packaging is recyclable for more heat with less waste
• Warmers are 98 percent biodegradable (contents can be composted after use); safe, comfortable heat provided by natural minerals and oxygen
• 4 pairs of air-activated, high-performance biodegradable foot warmer insoles for use in a boot or shoe while camping, hiking, hunting, snowshoeing, skiing, and dog walking
• Each warmer provides up to 8 hours of heat; reusable AirBarrier Pouch minimizes air permeability and can save unused warmer heat for up to 72 hours, for use as needed over several days