SAFE MATERIAL: Pain relief patches are made of far infrared nano ceramic powder, plaster, and silicone paper. They are safe, effective, breathable, and comfortable. Once applied to the body, they do not cause moist or stuffy feelings. PAIN RELIEF: These patches are designed for use on areas affected by neck pain, shoulder discomfort, joint stiffness, lower back strain, knee discomfort, and minor injuries. Suitable for application on shoulders, upper and lower back, elbows, knees, and ankles. RELIABLE: Utilizing far infrared technology, these patches help absorb body radiation and emit far infrared waves to support microcirculation, enhance muscle comfort, and promote metabolism. WIDELY USED: Each pack contains 8 patches, with a total of 80 patches included, providing ample supply for regular use. Ideal for athletes, older adults, dancers, individuals with joint discomfort, office workers, drivers, and manual laborers. EASY TO USE: The patches are simple to apply—just adhere directly to the affected area. They can be cut to fit any size needed. Their thin design allows them to be worn discreetly under clothing.