Wii Fit Yoga Mat *3 Layers for Durability Besides the front and bottom layer, the durable inner mesh layer prevents stretching and ripping. *Environmentally Friendly Materials - Uses PER materials which meet EU EN71 Part3 Environmental Regulation and exceed FDA Safety Regulations. *Comes with Storage Strap - Strap on for easy storage! *This mat can be used for actual Yoga or other fitness class.