Description: Feature: Promotes blood circulation and relaxes the feet. Soft and comfortable yoga mat/foot pad. Skin friendly silver ion circuit printing. Separate machine, foot mat can be cleaned with wet cloth. The foot pad is made of soft, flexible polyurethane material, which is durable. And because it uses conductive material; the pads are collapsible and portable. Pay Attention: 1. This product is not waterproof, so do not touch it with wet hands; do not wash it with water, and do not spill liquid. 2. Before use, clean feet and wipe with a dry cloth. 3. Do not use with cooling or heating as there is a risk of deformation. Also, do not use this product with boiling water or with sudden temperature changes. 4. Do not use if you have heart disease or are pregnant