Koolpak Adhesive Body Warmer Air Activated, 10 Hours Heat, Back & Shoulder Relief, Single Use (20)

Air-activated – No charging or batteries, just peel and apply. Fast heating – Provides quick warmth for lasting comfort. Long-lasting warmth – Up to 10 hours of consistent heat. Targeted relief – Ideal for back, shoulders & neck support. Great for outdoor & home use – Stay warm in any cold condition.