These are some shoes insoles that can protect your feet avoid from puncture and nails. Made of stainless steel material, this shoe insole is very sturdy, of strong structure, will not easy to get deform or break. Wear them and your feet will never suffer from the nails or puncture, you can use rest assured. Features - Color: Silver -Material:Stainless steel - Size: 22.00X6.80X0.10cm/8.65X2.67X0.04in -Made of stainless steel material, the shoe insoles are durable and practical, can be used for long time. -These shoe inserts can not only good for people who participate in different sports activities, but also for people who love outdoor activities like hiking, camping, etc. -Put the anti-nail insole under the insole we usually use, and better improve the comfort of using, fit your demands. -High hardness, strong structure, the shoes insoles for women are not easy to deform or break, you can use with peace of mind. -Light weight, the stainless steel shoe insoles will not add much burden to your shoes, let you have a good wearing feeling. Package list: 1 x Pair of Shoes Insoles