Constructed from compressed open cell polyurethane foam which is securely bonded to a polystyrene shaft.Perfect to clean printer heads, keyboards, and tight to reach , great use for piezoelectric photo machine print nozzles, water-based and most solvent print head.Multiple uses: Swabs are also great to use around such as A/C and around your kitchen range.Specifically for cleaning equipment such as printers, microscopes, optical sensors and safe for solvent print heads.Used in the electronics, semiconductor, drive, Optics-electronic, LCD,PCB,, IC, and industries.Head width: 0.5inch (15mm)Colour:orangeMaterial:PP+spongeSize:about 130 x 15mmPackage Contents:100 x Cleanroom Detailing SwabOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.