Central hub for easy one hand open and close operation. 100 sq. ft. of coverage area for up to 12 people. Infinite legs for any height adjustment. Ball joint feet enables easy leveling for any terrain. No assembly required 1-piece powder coated steel frame. UPF 50 plus fabric top provides great shade and sun-protection for UV rays. Air vent allows air flow and temperature control. With easy cliping system. Always attach it to the eave to prevent water accumulation. [NOTE]: NEVER leave your shelter unattended. They will blow away or collapse in heavy wind or rain. ALWAYS take down when a storm is approaching.When is use,always take down your canopy with both the included stake as well as the guy ropes provided. For your outdoor events, the CROWN SHADES 10 ft. x 10 ft. Instant Canopy-Pop Up Tent is perfect. It is easy to operate with a central hub, with simple one-hand open and close operation. The creative design brings great shade and sun-protection to block UV rays. There is an air vent for air flow for up to 10-people to enjoy any activity. It has a one-piece powder-coated steel frame with infinite legs that let the canopy adjust to any height. The ball joint feet allow the canopy to remain level on any terrain. The CROWN SHADES 10 ft. x 10 ft. Instant Canopy is easy to set up, take down, store and transport anywhere with the durable Wheeled bag included.