10 pack Round Ionic Detox Foot Spa, give your healthy better protection. The advantage of ion cleanse Foot Detox Massage Array : -The ion cleanse array is standard size,compatible with all ionic machines. -Double row coils instead of single like others. -Durable ionic arrays, can be used for 50-60 times. -Easy to cleaning. Array is necessary for ion cleanse detox foot spa, And the function of ion cleanse detox foot spa is as below: --An external detoxification method, which removes toxins through feet; -- Remove the heavy metal; -- Dissolving the fat expels the toxin, increasing immune system; -- Promote the blood circulation and metabolism; Specifications: -material: stainless steel & ABS -color: Black -weight:0.44lb each -size:2.75" x 2.75" x 3.9" Package: 10*ionic arrays.