describe: [ReduceFast Tourmaline Detoxification Shaping Self-Heating Insoles] -----Acupoint magnetic insoles are inlaid with 68 magnets to promote blood circulation and massage the soles of the feet. These magnets improve blood circulation and balance positive energy. [Acupoint Magnetic Massage Insole] -----Help increase foot blood circulation to relieve pain, promote metabolism, stimulate sweat secretion, reduce fatigue, help sleep, and improve posture. [Lymphatic Magnetic Massage Insole]-----This massage insole can be simply cut to the desired size, trimmed to fit your feet easily, no need to worry about the size. [Reduce Swelling and Vein Problems]-----These magnetic insoles massage your feet, improve blood circulation, relax muscles to relieve pain, increase energy, relieve tension and reduce stress. Reduce swelling and vein problems naturally with magnetic therapy [Widely Applicable]-----Suitable for people who stand and work all day, office workers, athletes, seniors, or anyone who experiences some kind of foot pain. Magnetic stitched insole printed with cutting size guide. Magnetic insoles can be worn on any type of shoe, boot or slipper. This is the special thing about tourmaline thermal cycle self-heating shaping socks Effective in helping varicose veins and all leg problems as well as foot problems. Proven Natural Mineral Heat Cycle Therapy Speed up metabolism and improve digestion Tourmaline Infrared Benefits MULTIPLE BENEFITS - Natural mineral heat circuits can also be used to treat a range of conditions such as back pain, headaches, fatigue, anxiety and stress. Where to lose weight easily (just wear ordinary shoes) Easy to use Suitable for most people how to use: 1. Pick up the insole and place your feet on it. 2. Measure the distance from your foot to the insole. 3. Cut the insole to fit the shape and size of your foot. 4. Place the insoles into your favorite shoes. Specification: Product name: ReduceFast tourmaline detoxifying shaping self-heating insoles Color: transparent Material: PVC size: S: 25CM(35-40) L27.5CM(41-45) Package Contents: 1 Pair* Shiatsu Magnetic Massage Insole