Features: 1.High quality foam cleaning swabs anti-static foam swabs for cleaning printer, computer, optical instrument camera lens, and all solvent printhead 2.Constructed from compressed, 100 ppi(Z) open-cell polyurethane foam that is free from organic contaminants 3.With minimal residue and dust, good aspiration, decontamination ability 4.High-quality absorbent cotton head and plastic rods are environmental-friendly and durable 5.Anti-corrosion, anti-static, no chippings, suitable for electronic products specification: 1. High quality foam cleaning swabs anti-static foam swabs for cleaning printer, computer, optical instrument camera lens, and all solvent printhead. 2. Constructed from compressed, 100 ppi(Z) open-cell polyurethane foam that is free from organic contaminants. 3. With minimal residue and dust, good aspiration, decontamination ability. 4. High-quality absorbent cotton head and plastic rods are environmental-friendly and durable. 5. Anti-corrosion, anti-static, no chippings, suitable for electronic products. s: Type: Cotton Swab Material: PP + Sponge Swab Head Length: 28mm / 1.1in Total Length: 180mm / 7.1in Weight: Approx. 168g Package List: 50 * Cotton Swabs