Assemble in just a few minutes without any tools and collapse into carrying bag in minutes too. At 10 feet high at the center you won't need to bend your head to fit inside and at 10 feet square you have 100 square feet of space! Outer poles are height adjustable and made of 1" square aluminum. All aluminum inner frame keeps unit secure. High quality 180 gram coated polyester fabric canopy is water resistant giving you time to pack up during inclement weather. Velcro is sewn onto all sides for easy attachment of side walls if desired. INSTA-STAND® SHADE-MAKER® is available in Bright White, Dark Green and Navy Blue. Sold with steel anchors and carrying bag.