[Multi-Purpose Foam Swab]300pcs printer cleaning swabs in three shapes and sizes cover most of the cleaning action of the product. Foam tip swabs are suitable for cleaning camera lenses, keyboards, inkjet printers, optics, computer motherboards, sensors, microscopes,car details, etc. [High-quality Cleaning Swabs]The foam tip cleaning swabs are made of high quality open-cell foam, which is firmly bonded to the polypropylene stick and does not fall off easily. The cleanroom foam q tip swabs are highly absorbent and designed for cleaning tiny hard-to-reach areas, allowing access to very small crevices to remove contaminants, with excellent absorption and solvent retention. [Size Structure for Lab ] 3 modes of foam swab in 3 sizes, enough quantity and styles for your purposes. Style 1: 6.62 inch; Style 2: 4.92 inch; Style 3: 2.51 inch [Safe and Eco-friendly] The cleaning stick is made of PP, without adhesive, paint, silicone. It can withstand light scrubbing without breaking or leaving any lint, and can be recycled after use without polluting the environment. Color: as shown Material: sponge Package Contents: 300 x 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.