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. Specifications: Type: Cotton Swab Material: PP + Sponge Swab Head Length: 18mm / 0.7in Total Length: 93mm / 3.7in Weight: Approx. 57g Package List: 100 * Cotton Swabs1High quality foam cleaning swabs anti-static foam swabs for cleaning printer, computer, optical instrument camera lens, and all solvent printhead 2Constructed from compressed, 100 ppi(Z) open-cell polyurethane foam that is free from organic contaminants 3With minimal residue and dust, good aspiration, decontamination ability 4High-quality absorbent cotton head and plastic rods are environmental-friendly and durable 5Anti-corrosion, anti-static, no chippings, suitable for electronic products