Incredibly spacious inside 138" x 70" and hub to hub "Elbow room" of 160" x 90" Six hook and loop mounted vinyl windows, and two ceiling vents 300 denier polyester "Blackout" fabric keeps the wind AND the light outside Extra heavy duty fiberglass poles, zippers, and an extra wide skirt Includes 12 heavy duty ice anchors and reinforced tie downs to hold secure on windy days