RoofBunk Roamer: Your RoofBunk Roamer has our high quality 280gsm poly-cotton blend ripstop canvas material on it’s walls, making it completely weatherproof. The unique blend of polyurethane we apply to it gives it a waterproof rating of 3000mm. This makes it 3 times as waterproof as a regular ground tent and able to handle even the worst rain storms with no problem! The material has been treated with agents to make it UV and mould resistant, so it should be protected from being faded by the sun too. We've also made sure the material used on our tent is breathable to prevent condensation and dampness as much as possible. Our shell structure is a special mixture of ABS material reinforced with a fibreglass coating. RoofBunk Explorer: The RoofBunk Explorer has our high quality 280gsm poly-cotton blend ripstop canvas material on the body of the tent and 600D Oxford polyester on the rainfly, making it completely weatherproof. The unique blend of polyurethane we apply to it gives it a waterproof rating of 3000mm on the body and 5000mm on the rainfly. This makes it 3-5 times as waterproof as a regular ground tent and able to handle even the worst rain storms with no problem! The materials have been treated with agents to make it UV and mould resistant, so it should be protected from being faded by the sun. We've also made sure the material used on our tent is breathable to prevent condensation and dampness as much as possible. Plus, our travel cover is made of 1200D/680g heavy duty PVC, so it will be very durable and has a high quality zip to ensure no water seeps in on wet days. On top of this, it has a 25mm aluminium frame to keep it both strong and light.