Description Specifications: 20 pcs Features: 1. Utilizes a natural herbal formula that deeply penetrates to relieve shoulder, neck, lumbar, and joint pain, quickly relieving muscle fatigue and stiffness. 2. Self-heating design promotes blood circulation, strengthens bone density, and effectively improves osteoporosis with long-term use. 3. Non-invasive application method, gentle and non-irritating to the skin, suitable for multiple areas including shoulders, neck, waist, and joints. 4. Portable and easy to use, providing pain relief anytime, anywhere, suitable for the elderly, sedentary office workers, and athletes. 5. Complies with multinational medical device standards and has passed multiple tests, ensuring safety and reliability. Comments: 1. Manual measurement tolerance is 2-5g. Please do not mind substitutions. 2. Due to differences between monitors, images may not reflect the actual color of the item. Thank you very much! 3. SKU color refers to the color of the product packaging. Package Includes: 1 * Bone Strengthening Pain Relief Patch