TMSHelmet via eBay offers the Pop-Up Portable Changing Tent
in Army Green for $19.95
with free shipping
. That's $3 under our May mention, the lowest total price we've seen, and a current low by $7, excluding other eBay vendors. It measures 75" x 40" x 40", features a zippered door and flexible steel frame, and includes four mounting stakes and a carry bag.