DescriptionThese insoles help relieve pressure and pain caused by flat feet, bunions, arthritis, plantar fasciitis, heel pain and bone spurs, Achilles tendinitis foot pain balls help relieve many common Foot pain Foot arch pain, heel pain, ankle pain and excessive pain rotate internally.Features- Material: GEL. - Size: About 9.70X5.80X1.00cm/3.81X2.28X0.39inch. - Adoption of premium material, this product is durable, and long-time use. - Good elasticity, suitable degree of tightness, tighten the arch of the foot, make walking more comfortable. - In the foot massage area, the sole of the foot is more comfortable and blood circulation is smoother. - It can always balance the soles of your feet with your shoes at all times. - Heel part allows the bottom of the heel to touch the insole, ensuring the heel has plenty of cushioning.