Insulation foam sleep mat - made of EVA foam for comfort and special thermal reflective layer to keep you warm.  Used with wool sleeping bag lining for optimum insulation on cold winter nights;  Durable - can withstand long time outdoor use.  EVA closed cell foam is resistant to dust, moisture, uv, heat, chemicals and grease;  Ultralight - Made of EVA foam, this cushion is ideal for lightweight packing while camping or hiking.  General purpose - can be used as a sleeping mat or seat cover.  It can be used on flat ground or rocks, or on a log to give you space to sit or sleep.  Easily unfolded in a matter of seconds.  You will love this product at home and on the go.  Portable - includes adjustable elastic shoulder straps and buckles, wide and easy to use.  Elastic elastic bands can easily wrap cushions without worrying about tightly rolling up.  Hang from a backpack to save space