The All Seasons Gazebos pop-up gazebo has been manufactured with quality in mind. The steel frame has fully integrated support struts within the roof which are for added stability of the gazebo, its instant pop-up design makes this gazebo much more desirable for quickness and ease. It can be erected in minutes and is an instant shelter suitable for use on multiple surfaces such as grass, decking, concrete and more! Please be aware that our branded name All Seasons Gazebos is due to them being able to be used in all seasons. This does not mean that they can be left up all year round, overnight or unattended, doing so will void your warranty. They are 100% waterproof, can be used in heavy rains, avoid in extreme wind conditions. Features: Heavy duty powder coated matt Black 100% metal frame Instant Pop Up design, with no poles to slot in 100% Waterproof, Heat sealed roof seams, with reinforced pressure points Support struts within the roof, around the sides as well as into the middle 3 A