... quality aluminium frame with pvc fabric 2. widely used for wedding ,party and other ceremony 3. easy set up 1 ... ,15m,18m,20 Etc.The big tent are widely used for party, outdoor exhibition,outdoor wedding, trade fair, products showing, celebration ... 1,The clear-span of BT-25m is 25m span.2,The length of BT-25m could be 30m,35m,40m and ... ,6m,8m, 9m, and 10m,12m,15m,18m,20m,25m,30m,40m,60m etc. wedding tent