Package content: there are 6 pieces portable laptop cleaning brushes in our package, they come with 2 different colors, 3 pieces in black and 3 pieces in silver; The black case is matte, look elegant, and the silver surface is sprayed and smooth to touch, all of them will meet your various needs | Retractable design: this retractable dust brushes are designed with 3 styles of retractable design, which can also protect the brush when not in use, and extend the service life; The size is 5 inches/ 12.7 cm when launched, 3.5 x 1 x 0.6 inch/ 9 x 2.5 x 1.5 cm when fully retracted, the compact size is ideal for computers, electronics, car interiors and so on, also easy for you to carry | Durable to use: the handle of swipe computer brush is made of ABS material, and the bristles are made of wool, durable and elastic, the hardness is moderate, the soft bristles can fit for any surface, and spread to cover most surfaces; Reliable using on cleaning of computers, mobile phones, screens, keyboards, cameras, digital products and so on | Dust absorption: our laptop cleaning brushes are featured with static absorption design, which can attract dust through electrostatic charge, making it easy and effective to clean the keys of the computer or laptop keyboard to remove dust and other items, to achieve the purpose of easy to use and efficient cleaning | Multiple usage: these retractable brushes are simple and convenient for you to use in camera, digital products, for keyboard cleaning, car interiors, home and office electronic dust removal, such as car vents, printers, phones, calculators, speakers, televisions, computers and other appliances, bring you convenience