... fabric, sewed work, with blower to inflate continues; 0.55mm pvc tarpaulin, sewed work, with blower to inflate ... continue, and 0.6mm pvc tarpaulin, sealed work, only inflate one time ... but expensive than Oxford fabric. The most material is 0.6mm pvc tarpaulin, which is more durable and stronger ... house tent with Sealed working:Best quality for 0.6mm PVC Tarpaulin