Fast Inflating valve system with unidirectional air flow for fast set up. Reinforced anchoring system for securing your tent on different terrains. The valve system will automatically release excess air when the optimum pressure is reached. Operating pressure is 3psi (200 mbar). High quality polyester with PU coating that is fire retardant. Perfect for outdoor use and resistant against wind, water and UV rays. Print any design or color on the tent top to give your air tent a unique presentation. High definition and vivid graphic will attract more flows into your tent booth point..syi