[Multi-Foam Swab] 250 cleaning swabs in three shapes and sizes, covering most cleaning needs. Foam tip swabs are suitable for cleaning camera lenses, keyboards, inkjet printers, optical components, computer motherboards, sensors, microscopes, car parts, etc. [High-Quality Lint-Free Swab] The foam tip cleaning swab is made of high-quality open-cell foam, firmly bonded to the polypropylene rod and not easily detached. The spiral tip swab for cleanrooms has high water absorption and is designed for cleaning hard-to-reach small areas. It can reach very small spaces to remove surface contaminants. It has good absorption and solvent retention. [Size and Structure of the Laboratory Swab] Three types of foam sponge swabs, three sizes, sufficient quantity and style, suitable for your purposes. Style 1: 6.62 inches; Style 2: 4.92 inches; Style 3: 2.51 inches [Safety and Environmental Protection] The sponge cleaning swab is made of sponge and PP, without glue, dyes, and silica. It can withstand light scrubbing without damage or leaving lint, and can be recycled after use without polluting the environment. Color: As shown Material: Plastic Package Contents: 250 x Swabs Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The measurement allowed error is +/- 1-3 cm.