MULTIPLE USES CLEANING SWABS - 100 pcs large foam head swabs can be used to clean sensitive equipment, such as inkjet print heads, sensors, optical equipment, guns, cameras, hard drives, and can also be used to clean kitchen vents and car vents ect. PROFESSIONAL DUST-FREE CLEANING - This double-layer thickening foam tip swab has good solvent locking ability, can be used in conjunction with alcohol, compatible with most solvents, and good liquid absorption ability. Especially in tiny places to remove flux and tape and excess dust engine oil contaminants, and there is no dust and lint left. It is also suitable for applying lubricants, detergents or drugs and other liquids. HIGH-QUALITY SWAB - This foam swab tip is made of high quality sponge with high resilience to ensure that no fluff is left during use. These cleaning sticks are usevacuum-packed when leaving the factory, dust-free, and meets the requirements of laboratory cleanliness. Each product undergoes strict testing before leaving the factory to ensure product quality. SAFTY and ENVIRONMENTAL PROTECTION - The sponge cleaning stick is made of sponge and PP, without adhesive, paint, silicone and DOP. After use, it can be recycled and reproduced, which does not pollute the environment. Colour:Blue/Green Material:PP+sponge Package Contents: 100 * Foam Cleaning Swab Sticks for Lab Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.