10 sheets, 15 cm x 15 cm, 0.45 µm pore size, Hydrophobic PVDF Transfer Membrane for western blotting. 1 roll, 26.5 cm x 1.875 m, 0.45 µm pore size, Hydrophobic PVDF Transfer Membrane for western blotting. 10 sheets, 8 cm x 10 cm, 0.45 µm pore size, Hydrophobic PVDF Transfer Membrane for western blotting.