Featuresr articulated aluminum structurer there are 4 aluminum tent poles supporting the structure hexagonal section tubes 5045x18mm the tent has 5 levels of adjustment in height by a ring systemr r 100 waterproof tarpaulinr the 520g msup2 pvc fabric is classified m2 it is 100 waterproof and provides total protection against bad weatherr r easy installationr it39s very simple to fix the structure and no tool requiredr r stable fixationr its hexagonal tent poles of 50mm sec