Material: Wood fiber + PE Thickness: 50-70 gsm (usually 50gsm, 60gsm, customized) Width: 40-1000mm (usually 60mm, 70mm, 100mm, customized) Sealing Temperature about 120 ( Celsius degree) Ink Type: Water-base ink Printing: Blank/Common English or customized design printing Capacity: suitable for 0.5g, 1g, 2g, 3g, 5g, 10g, usually no more than 20g; Application: Silica Gel, Bentonite Clay, or any other global beads materials Feature:1>Easy pack by machine, fast speed; 2>With holes on surface to pass moisture; 3>Stronger strength than filter paper; 4>Customize thickness/width/printing available;