Chronic cold feet, sore feet, arthritic feet, inflamed feet, tired feet - they all deserve some TLC after a long day. From hurting heels to aching arches and tortured toes, treat your tired tootsies! Get warm in no time! Place the Snook-Ease shoe insoles inside their heating bag and heat in the microwave for 60 seconds. Place immediately inside your footwear and enjoy warm & toasty footsies. Use at home, at work, during the day, or for a relaxing night’s sleep. Unlike electric sheets or blankets, hot water bottles, or massagers which require electricity, boiling water, or batteries, Snook-Ease is safe, hygienic, lightweight, discreet, reusable, reheatable, washable, odor-free, and squeak-free.