cotton guaze Pure cotton aseptic packing use for sterilization expiry time: 5 years Product DescriptionGauze swab*100% cotton gauze, high absorbency.*Folding edge or non-folding edge available.*40s, 32s, 21s, available.*Mesh: 20*10, 19*15, 26*18, 30*20 available.*Size: 2"x2", 3"x3", 4"x4", 4"x8" available.*With X-ray line or without X-ray line available.*Layer: 4ply, 6ply, 8ply, 12ply, 16ply, ...