The non-slip mat is 2mm thick and can be used either with or without an additional yoga mat underneath. It can also be used on either side: the textured ‘grip’ side or the towel fabric side. However you use your hot yoga mat, it will give you greater traction so you do not slip during your posture transitions. Once you're finished exercising, it's easy to clean and easy to roll up and carry. It also environmentally friendly with 43% made up of biodegradable Polymer Environment Resin.