Effective heat pads providing warming relief for up to 8 hours. **Key Benefits:** - Safe, natural, soothing - non-medicinal, drug free solution - Convenient and easy to use - Instant warmth that lasts for up to 8 hours - Discreet and conformable, for wearing at any time - Ideal for Lumbago and Arthritis - Hypoallergenic adhesive Fast Aid Advanced Heat Pad has a hypoallergenic adhesive allows pad to be worn directly on skin. These effective heat pads that conform easily to body contours provide warming relief to chronic injuries for up to 8 hours. Easy to use the Fast Aid Advanced Heat Pads react with air and heat themselves upon application. For those who want instant soothing of affected areas, these heat pads are clean, convenient and safe to use with no side effects and resulting in long lasting comfort.