Material: Gel + Magnet Size: 25 cm (35-40 size), 27 cm (40-44 size) Magnet: 8 pcs / only Color: transparent, blue, black Suitable shoe type: general shoes can be applied Quantity: 1 pair Package content: 1 pair * insole (can be cut) 1. Magnetic insoles: Our leisure foot pads use magnetic insoles. Change the angle of the relaxing foot pad. The colors of the massage insole are transparent, blue, and black. 2.Material : Relaxing foot magnetic massage insole, made of gel, specially designed to relieve heel pain and foot pain, low back pain and back pain, plantar fasciitis, etc. Each magnetic insole has multiple circular vents. Each insole has 8 massage magnets and slightly convex massage particles. 3. Durable and comfortable: loose foot orthopedic insole, super durable and comfortable. Acupressure insoles keep your feet cool and dry by absorbing all the sweat and moisture produced by the feet. It is applicable to all four seasons: spring, summer, autumn and winter. Reduce the wear of feet and legs, reduce impact and triple protection area buffer, it can absorb impact and pressure for the feet. 4. Large scope of application: these magnetic massage insoles are suitable for almost all types of men's and women's shoes. It has a good massage effect on the feet, promotes blood circulation, can protect the feet from pain, and is good for orthotics. Comfortable for all types of leisure. Very suitable for rock climbing, ball sports, running and daily activities. There are 16 massage magnets for each pair of insoles. Shiatsu massage is very effective. 5. Easy to clean and use: These comfortable magnetic massage insoles acupressure orthopedic insoles can be easily cleaned and used. If necessary, you can resize it by cutting along the available curvature line. So you don't have to worry about whether the magnet insole fits your shoes.