Wenzel Sentinel 9- by 9-Foot 3-4 Person Pentadome Tent Weather armor polyester fabric gives tremendous reliability and toughness, enhanced with an additional polyurethane coating Armor tough seams throughout the body of the tent; sewing technique incorporates double stitched, lap-feld seams that provide a stronger shingle effect against water Weather Armor details have all threads, zippers, and webbing treated with superior water repellency applications to enforce these critical areas Rain shingle layer on the lower portion of the tent wall provides a water shed effect Sonic sealed floors are welded, eliminating stitching and needle holes that create another potential area for water to penetrate