First layer polyester fabric. Second layer waterproof poly cotton canvas. Crown wheel cover transparent pvc cover. Outer straps – there are three straps for the top, middle and bottom. They encircle and tighten after the outer cover is placed. Inner straps – although it might be difficult to see in the picture above, there are two straps, for the top and bottom, that encircle the lattice wall. Side straps – there is one side strap that tightens over crown cover. Khayavch – its main purpose is to regulate the mongolian yurt temperature. When it is removed, wind flow in the yurt increases significantly. When it is on, it keeps warmth, or, coolness inside the yurt. Door – made from felted heavy duty canvass material. Camping yurts door frame extractable in 4 pieces. Lattice wall – the number of lattice wall determines the size of the portable yurt. Camel hide cut in narrow straps is the most suitable material to securely join wood to make the lattice wall. Our lattice walls have 2 parts(lower and upper) which connected during assemble. Rafters – depending on the size of the camping yurt, there are from 36 to over 200 rafters to join the lattice wall and the crown wheel. Our rafters deploy in 2 pieces to save space. Consisted from 41 pieces. Crown wheel /compression ring/skylight – in camping yurt, we modified crown wheel into 8 pieces. Each pieces connected with flexible steel wire. This item is made of larch wood and yarn, rope, cotton, steel, tarpaulin, polystyrene fabric, pine wood.