polyester Imported Large space: Inside dimension14.1ftlength*10ft width*6.58ft height, fit 4 full air mattresses(6.7ft*5ft/200cm*150cm),can accommodate 12 person.straight wall design, interior space is larger and more comfortable. Unique design: 2 Bay-Windows with Mesh,3 doors 3 Windows with mesh,divided into two rooms by separation curtain.and more comfortable. If the door curtain supports by two poles, it becomes a sunshade canopy. Materials: Rainfly and Inner Tent are Made of Waterproof Oxford Polyester,Floor is Made of PE Polyester. Accessories: 1pcs Bay Windows Fibreglass ,2pcs 3-Way Plastic Pole Joints,2 pcs Repair Patches. This is NOT a automatic pop up tent that need to be built by hand, suitable for customers who are good at hands-on ability, folding support rod, small package volume, easy to carry and storage for self-drive travel, BUT please install carefully according to the installation drawings and instrucitons, be sure to fix the stakes & wind ropes step by step, it will be more stable than automatic tent.Please DO NOT choose this tent if you want to build quickly in 60S. Warning (Precautions): 1).Tents should not be placed on the ground with sharp objects (such as sharp stones, branches, grass roots ground etc.). 2).It is suggested to lay a mat first and then place the tent on it, which can protect the bottom of the tent. 3).Install the support rod and nail it on the ground immediately. 4).Set up the rainfly and nail it on the ground with ropes and stakes immediately. 5).Do not use it in the bad weather such as strong wind, heavy rain and heavy snow. 6). 4 season tent 7).No smoking & no open fires in tent. Tents are only suitable for use in sunny and light rain weather, not for bad weather and heavy rain weather.For bad weather, pls choose our other tents, their ASIN: B0DRXM4ZCG,B0DY3ZZ7SC,B0DRXHQRPS,B0DRVRN7DR,B0DRVSDJPD,B0DY4K3M3Y,B0DRVFCTSN,B0DRVDYMRY,B0DRDNCDMG,B0DRDHPPC2,B0DQD1C375,B0DQCXRBPJ,B0DQCVMC7J.