Lightweight emergency shelter.  Sets up in minutes.  Room for 2 people.  Cord included. 

Your weight or air mattress holds the floor down. Fire retardant.  Rugged 2.5 mil polyethylene.  Length: 8 ft.  Instructions included.

( Tube tent means it is open on both ends, however with cordage and small round objects,i.e. rocks, one side could be tied shut)

 This could be a fun play tent for kids too. It's so easy and fast to set up