Premium Quality Materials: Our cleaning swabs are crafted with top-tier open-cell foam attached securely to sturdy polypropylene shafts. Designed for durability and excellent absorption, these swabs prevent breakage and are ideal for repeated uses. Extensive Collection: This kit includes 100 microfiber optical cleaning swabs in 5 distinct sizes, all in uniform blue. With varying lengths and head dimensions, they offer versatile cleaning solutions for the tightest spots and delicate areas. Varied Sizes for Precision Work: Each pack contains swabs in five lengths ranging from 2.44 inches to 6.29 inches and head widths between 0.08 inch and 0.59 inch. This variety ensures you have the right tool for detailed cleaning in any application. Effective & Versatile Cleaning: Featuring a double-layered microfiber tip, these swabs tackle dust and debris in tough-to-reach spots. Enhance their efficiency by adding solvents to the square foam tips, making them ideal for sensitive component cleaning. Multipurpose Utility: Perfect for a wide range of applications including electronic components, optical instruments, printer heads, and more. Compatible with most solvents, these swabs adapt well to arts, crafts, lab work, and intricate detailing. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Blue Material:Plastic+Sponge Size:Length:about 16cm/12.5cm/9cm/7cm/6.2cm, 20 pieces for each size) Package Contents: 100 * microfiber optical cleaning swabs 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.