Description Specifications: 12pcs Features: For stiffness, muscle strain, lower back swelling, and lower back pain. Especially suitable for discomfort caused by lumbar pain and herniated discs. 2. **Advanced Comfort Technology:** This lumbar patch features self-heating technology that promotes blood circulation, providing a warm and comfortable feeling to relieve lower back discomfort. It also incorporates thermotherapy technology, utilizing far-infrared rays to act on meridians and specific body parts. 3. **Premium Ingredients:** Each patch measures approximately 8 cm x 13 cm (3.15 inches x 5.12 inches) for a comfortable fit. Enriched with a variety of precious herbal extracts, including mugwort, saffron, menthol, and ginger, the formula helps the active ingredients penetrate deeper. 4. **Sufficient Supply:** Each pack contains 12 patches, ensuring you always have an ample supply. This generous quantity allows for regular use and continuous relief of lower back discomfort. 5. Wide Range of UsesIn addition to relieving general back discomfort, these bandages can also be used to alleviate discomfort caused by conditions such as lumbar arthritis and rheumatoid arthritis, making them an ideal choice for your daily care. Comments: 1. Manual measurement tolerance is 2-5g. Please don't mind your replacement. 2. Due to differences between different monitors, the image may not reflect the actual color of the item. Thank you very much! 3. The SKU color is the color of the product packaging. Package includes: 1 * Lumbar Pain Relief Patch