Our Bell Tent are made from 300 gsm waterproof cotton canvas PU coating with a durable zip-in groundsheet. They have two spring-loaded poles - a central pole and an A-frame pole which creates a porch in the doorway. The tent has air vents, mesh windows with zips and an extra-largecarry bag for easy packing. The zip-in groundsheet means that the sides can be rolled up on a hot day, making the bell tent a perfect sunshade and it also have four types, 3m, 4m, 5m, 6m. Custom sizes and colors can be accepted.Our cotton canvas fabrics have been through special treatment to be durable water proof for a long time using.