Product DescriptionMaterial: flannel+cotton+magnetSize: Small size (35-40 size), large size (41-46 size)Magnet: 11 pcs / onlyColor: black, blue, brownSuitable shoe type: general shoes can be appliedQuantity: 1 pairPackage content: 1 pair * insole (can be cut)1. UNIQUE DESIGN: Designed for the reflex area of the plantar acupuncture points, focusing on the pain points, the effect is more obvious. Highly convex point design, ventilation, refreshment and comfort as well as heat dissipation of the soles. Simulation refers to compressive force, better elasticity, resistance to aging and real care of your health.2. HIGH QUALITY: The Magnetic Insoles are made of suede cloth, highly elastic environmental protection foam noodles and a magnet that provides shock absorption and comfort.3. THE EFFECT IS OBVIOUS: Using our magnetic massage insoles can improve blood circulation, improve sleep, relieve fatigue, deodorize and absorb sweat.4. FIT WITH MOST SHOES: Suitable for many types of men's and women's shoes, such as: Running shoes, work boots, sneakers, street shoes, slippers, flats, etc.5. ADJUSTABLE SIZE: You can change the size by cutting according to the curl line available if necessary. Simply place your feet on each massage sole and message according to the pre-made pre-made sizes, then cut each sole to measure with scissors.