It's easy to put those pesky insects in their place when you're shielded inside the Eureka Breezeway. This self-supporting, 4-pole square umbrella screen with the Eureka! Hub and shock-corded aluminum frame is a snap to set up. 4 pole square umbrella screen house sized to fit a picnic table Quality, shockcorded aluminum frame is longer lasting and offers better performance in wind and rain than steel UV resistant 150D StormShield® polyester splash cloth and roof is longer lasting than 75D polyester for maximum use 50D polyester no-see-um mesh wall panels Eureka! hub and ring and pin assembly offer easy set up Near vertical side walls provide more useable interior space 2 full length doors zip completely open and out of the way for easy entry and exit 12'x12' 20lbs. 3oz.