... to commercial use 1. Dia 63mm* 2.5mm thickness aluminum tube for the frame 2. 420D polyester with PVC coating or 0 ... .46mm PVC for the roof , water-proof, fire retardant 3. Dia 6m, 8m ... , 10m,12,14m,16m,hright 5m,6m for choice 4. elegant arches and 6 stakes on each corner ...