Hilleberg Nammatj 2 Mesh Inner

CampSaver.com says:
Hilleberg Backpacking Tents Nammatj 2 Mesh Inner Tent No Poles 011033M. Used alone their full mesh walls provide not only maximum airiness and protection from flying and crawling insects but also 360 views. When used in combination with a Tarp the Mesh Inner Tents retain all of their venting and viewing advantages while the Tarp provides protection from rain or shade from the sun. The Mesh Inner Tents can also be used with the outer tents of their complement models: simply disconnect the standard inner tent and button in the appropriate Mesh Inner Tent. Lastly the outer tent can be slung over the Mesh Inner Tent and secured at the peg attachment points.