Ideal for trekking, traveling and wilderness camping, the Sea to Summit Mosquito Pyramid Net Shelter provides essential protection against mosquitoes and other bugs. The "pyramid" Double net shelter has a unique asymmetric tent-style design with a slide-in 20” spreader bar, which maximizes headroom with minimum weight and packaged size. The finely woven multifilament polyester features 500 holes per square inch in a black hexagonal mesh for better airflow and high visibility. Note: This is not a free-standing structure and it requires the shelter to be suspended from above, also, there is no door or floor. The shelter has over-lapping flap seams that are tucked under your sleeping pad or mattress, color-coded tags at each corner make set-up simple.