3 sidewalls are detachable with convenient hook & loop fasteners. A detachable awning creates enlarged shading area. 420D oxford fabric with protective PU coating is tear-resistant sun-proof and water-resistant. Robust metal structure with reinforced truss plates prevents deformation. Sturdy stakes & wind ropes anchor bases with stakes ensure superior stability. Sandbags(sand not included) with 22 lbs/10 kg capacity enhance the wind-proof performance. A chic transparent window adds visual delight. Wheeled bag promotes effortless transportation and storage. 3 height options meet different people's preferences. The folded frame can be quickly locked in pace with the pinch-free thumb buttons. Applicable to picnic sports events markets or weddings. WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. See www.P65Warnings.ca.gov.