... , flame retardant to DIN 4102 B1, M2 German Roof cover: 1. Weight: 850g/square meter 2. You ... and curtains. Width: 1. The span could be 3M-40M Length: The length could be customized Color: White ... Feature: 1. No pillars in the middle of the structure, you can use the space fully. 2. You can ... up tables, chairs, stage, anywhere under the tent 3. You can fit with doors, air condition, lighting, wood ...