
Instant Heating Warm Waist Belt Waist Therapy Patch for Lower Back Pain Relief. Multi-Part Pain Relief: Effective for knee, back, lips, eyebrow, abdomen, stomach, waist, shoulder, and neck. Long Heating Duration: Provides instant heat for up to 8-12 hours with iron powder technology. Customizable Design: Offers customized patch styles, packing box styles, and private label options. Comprehensive Certifications: Holds CE, ISO13485, BSCI, and Class II medical device certifications. High Production Capacity: Annual output reaches 120 million pieces with 26 advanced production lines. Flexible OEM/ODM Service: Supports full customization, logo design, and packaging design services. Extended Shelf Life: Ensures product quality with a 3-year shelf life for the heat patch. Free Sample Availability: Provides 10 free samples, customer only pays for shipping costs.