big bag features: 1) body construction: u+2 , tubular style 2) fabric: pp circular woven, pp flat woven 3) lift style: cross corner or sideseam loops 4) safety factor: 5: 1 5) standard dimensions: based on the customers' requirements 6) coating: optional 7) liner: le liner loosely inserted in or sewn in or glued into the outer pp bag. 8) dust-proof seam: optional 9) clean room processing: optional for the more information,kindly please visit our website:www.fi