Detailed Product Description 1). Insoles, footwear insoles, comfort Insoles. 2). Material: EVA. 3). Function: Lightweight, shock absorption, you can do any exercise freely and don't worry about any injury. Reduce fatigue. 4). Fit for most shoes. 5). Thickness: 4 mm, 10mm. 6). Size range: 23#-27#. 7). Easy to wash, air dry. 8). OEM service is acceptable.