Memory Cotton Magnetic Massage Insoles, Size: Small 35-40cm(Black)

1. Magnet design, invigorating blood massage
2. Breathable mesh, comfortable and skin-friendly
3. It can be freely cut according to the length of the foot, just cut along the inner line of the insole
4. Material: high elastic sponge + magnet + BK breathable cloth
5. Size: small size about 26 x 8.7cm, large size about 29 x 9.5cm
6. Weight: about 82g