Disposable Heat Patches for Back Soreness Relief with Reusable Belts

SunnyBay’s air-activated disposable heat packs deliver up to 12 hours of soothing warmth at 113°F to relieve muscle soreness, cramps, and tension—no microwave needed. Compact and portable, they’re perfect for on-the-go relief at work, school, or travel. The included wearable belt keeps heat comfortably in place while protecting your skin and clothing. Designed for single use, these odor-free, no-mess heat wraps offer convenient, effective relief whenever you need it.